Bio-Rex™ 70 Cation Exchange Resins

Bio-Rex<sup>®</sup> 70 Cation Exchange Resins

Overview

Analytical Grade Resin Selection Guide

Selecting Cation or Anion

Selecting Cation or Anion Exchange Support

Separation strategy for amphoteric molecules. If the molecule is stable at a pH above its pl, an anion exchange support is used. If the molecule is stable at a pH below its pl, a cation exchange support is used.

AG Resin Wet Mesh and Diameters

Wet mesh (U.S. Standards)	16	20	40	50	80	100	140	200	270	325	400
Diameter, µm	1,180	850	425	300	180	150	106	75	53	45	38

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Bio-Rex 70 resins are weak cation exchange resins that are used for the purification and fractionation of peptides, proteins, antibiotics, and other cationic molecules. Bio-Rex 70 resins contain carboxylic acid exchange groups on a macroreticular acrylic polymer lattice. The high porosity of the resins allows large protein molecules to penetrate the pores and have access to the exchange sites located throughout the matrix.

Bio-Rex 70 resins are available in both analytical and biotechnology grades. Analytical grade Bio-Rex 70 resin has been exhaustively sized, purified, and converted to make it suitable for accurate, reproducible analytical techniques. Biotechnology grade Bio-Rex 70 resin is an analytical grade resin that has been certified to contain less than 100 microorganisms per gram of resin.

Larger volumes and special packaging for industrial applications are available on request.

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Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 20–50 mesh, sodium form, 500 g

1425822
500 g, cation exchange resin, sodium form, macroreticular, 20–50 dry mesh size, 300–1,180 µm wet bead size, >1,000,000 MW limit

0 1425822 /templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/142-5822_0921120703003.xml 1425822 /default/main/bio-rad/WORKAREA/default 09/21/09 12:07 PM en_US juso9m5n 2018-02-01 00:17:44 true true internet/product_SKU juso9m5n templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/142-5822_0921120703003.xml LSR 2019-05-04 18:20:38 /default/main/bio-rad/STAGING N /default/main/bio-rad en 12/31/37 11:59 PM 1556909731762 AE,AI,AL,AM,AR,AT,AU,AZ,BA,BD,BE,BF,BG,BH,BN,BO,BR,BW,CA,CH,CL,CM,CN,CO,CR,CY,CZ,DE,DK,DO,DZ,EC,EE,EG,EH,ER,ES,ET,FI,FM,FO,FR,GA,GE,GF,GH,GP,GR,GT,GU,HK,HN,HR,HT,HU,ID,IE,IL,IN,IS,IT,JM,JO,JP,KE,KH,KR,KW,KZ,LB,LI,LK,LT,LU,LV,MA,MD,MG,MK,ML,MO,MQ,MS,MT,MU,MX,MY,NG,NI,NL,NO,NP,NZ,OM,PA,PE,PF,PG,PH,PK,PL,PR,PS,PT,PW,PY,QA,RO,RS,RU,SA,SB,SE,SG,SI,SK,SN,ST,SV,TG,TH,TN,TO,TR,TT,TW,TZ,UA,UG,UK,US,UY,UZ,VA,VE,VU,XK,YE,ZA,VN 2019-05-04 18:20:38 /default/main/bio-rad/WORKAREA/default/templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/142-5822_0921120703003.xml templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/142-5822_0921120703003.xml 1425822-bio-rex-70-cation-exchange-resin-analytical-grade-20-ndash-50-mesh-sodium-form-500-g 1425822 Bio-Rex 70 Resin Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 20–50 mesh, sodium form, 500 g 500 g, cation exchange resin, sodium form, macroreticular, 20–50 dry mesh size, 300–1,180 µm wet bead size, >1,000,000 MW limit 500 g, cation exchange resin, sodium form, macroreticular, 20–50 dry mesh size, 300–1,180 µm wet bead size, >1,000,000 MW limit 500 g, cation exchange resin, sodium form, macroreticular, 20–50 dry mesh size, 300–1,180 µm wet bead size, >1,000,000 MW limit /webroot/web/images/lsr/products/chromatography/sku_thumb/global/142-5822_tn.jpg /webroot/web/images/lsr/products/chromatography/sku_view/global/142-5822_view.jpg /webroot/web/images/lsr/products/chromatography/sku_feature/global/142-5822_feature.jpg Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 20-50 mesh, sodium form, 500 g preview ,VN RepEx 142-5822 500 g, cation exchange resin, sodium form, macroreticular, 20–50 dry mesh size, 300–1,180 µm wet bead size, >1,000,000 MW limit 1425822, bio-rex, 70, resin, biorex, sodium, 20-50, dry, mesh, size, analytical, grade, macroreticular, ion, exchange, iex, cation, chromatography, purification, media 09/21/09 12:07 PM 12/31/37 11:59 PM AE,AI,AL,AM,AR,AT,AU,AZ,BA,BD,BE,BF,BG,BH,BN,BO,BR,BW,CA,CH,CL,CM,CN,CO,CR,CY,CZ,DE,DK,DO,DZ,EC,EE,EG,EH,ER,ES,ET,FI,FM,FO,FR,GA,GE,GF,GH,GP,GR,GT,GU,HK,HN,HR,HT,HU,ID,IE,IL,IN,IS,IT,JM,JO,JP,KE,KH,KR,KW,KZ,LB,LI,LK,LT,LU,LV,MA,MD,MG,MK,ML,MO,MQ,MS,MT,MU,MX,MY,NG,NI,NL,NO,NP,NZ,OM,PA,PE,PF,PG,PH,PK,PL,PR,PS,PT,PW,PY,QA,RO,RS,RU,SA,SB,SE,SG,SI,SK,SN,ST,SV,TG,TH,TN,TO,TR,TT,TW,TZ,UA,UG,UK,US,UY,UZ,VA,VE,VU,XK,YE,ZA,VN en LSR /LSR/Chromatography/Chromatography-Media N 0 <p>Choose analytical grade Bio-Rex 70 Resin for weak cation exchange. Use this sodium-form resin for gravity or low-pressure chromatography.</p> <ul> <li>High-capacity macroreticular resin with a pore size large enough to admit proteins</li> <li>Very-large-mesh resin is efficient for preparative column and batch protocols</li> <li>Proteins do not bind so tightly that they are difficult to elute</li> <li>Larger volumes and special packaging are available upon request</li> </ul> <h2 class="descHeader">Product Options</h2> <table class="pd_table pd_gridlines" border="0"> <tbody> <tr> <td width="400" align="left" valign="top"><strong>Resin</strong></td> <td width="75" align="center" valign="top"><strong>Strength</strong></td> <td width="80" align="center" valign="top"><strong>Grade*</strong></td> <td width="150" align="center" valign="top"><strong>Crosslink</strong></td> <td width="150" align="center" valign="top"><strong>Ionic Form<br /><br /></strong></td> <td width="550" align="center" valign="top"><strong>Dry Mesh</strong></td> <td width="900" align="center" valign="top"><strong>Wet Bead Size µm<br /></strong></td> <td width="150" align="center" valign="top"><strong>MW Limit </strong></td> <td width="550" align="center" valign="top"><strong>Catalog Number<br /></strong></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421231-ag-50w-x2-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421231</a></td> </tr> <tr> <td align="left" valign="top">AG 50W-X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–300</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421241-ag-50w-x2-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421241</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–300</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1435241-ag-50w-x2-cation-exchange-resin-biotechnology-grade-100-ndash-200-mesh-hydrogen-form-100-g">1435241</a></td> </tr> <tr> <td align="left" valign="top">AG 50W-X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–180</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421251-ag-50w-x2-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421251</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">180–425</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421331-ag-50w-x4-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421331</a></td> </tr> <tr> <td align="left" valign="top">AG 50W-X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421341-ag-50w-x4-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421341</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421351-ag-50w-x4-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421351</a></td> </tr> <tr> <td align="left" valign="top">AG 50W-X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1435341-ag-50w-x4-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1435341</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">20–50</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421421-ag-50w-x8-cation-exchange-resin-analytical-grade-20-ndash-50-mesh-hydrogen-form-500-g">1421421</a></td> </tr> <tr> <td align="left" valign="top">AG 50W-X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">180–425</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421431-ag-50w-x8-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421431</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421441-ag-50w-x8-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421441</a></td> </tr> <tr> <td align="left" valign="top">AG 50W-X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435441-ag-50w-x8-cation-exchange-resin-biotechnology-grade-100-ndash-200-mesh-hydrogen-form-100-g">1435441</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421451-ag-50w-x8-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421451</a></td> </tr> <tr> <td align="left" valign="top">AG 50W-X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435451-ag-50w-x8-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1435451</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Mol Bio</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1431451-ag-50w-x8-cation-exchange-resin-molecular-biology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1431451</a></td> </tr> <tr> <td align="left" valign="top">AG 50W-X12</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">12%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~400</td> <td align="center" valign="top"><a href="/en-us/sku/1421641-ag-50w-x12-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421641</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X12</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">12%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">53–106</td> <td align="center" valign="top">~400</td> <td align="center" valign="top"><a href="/en-us/sku/1421651-ag-50w-x12-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421651</a></td> </tr> <tr> <td align="left" valign="top">AG MP-50</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroporous</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">>1,000,000</td> <td align="center" valign="top"><a href="/en-us/sku/1430841-ag-mp-50-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1430841</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio-Rex™ 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">20–50</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top">1425822</td> </tr> <tr> <td align="left" valign="top">Bio-Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425832-bio-rex-70-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-sodium-form-500-g">1425832</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio-Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435832-bio-rex-70-cation-exchange-resin-biotechnology-grade-50-ndash-100-mesh-sodium-form-100-g">1435832</a></td> </tr> <tr> <td align="left" valign="top">Bio-Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425842-bio-rex-70-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-sodium-form-500-g">1425842</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio-Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">45–75</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425852-bio-rex-70-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-sodium-form-500-g">1425852</a></td> </tr> <tr> <td align="left" valign="top">Bio-Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">45–75</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435852-bio-rex-70-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-sodium-form-100-g">1435852</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex<sup>®</sup> 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422822-chelex-100-chelating-resin-analytical-grade-50-ndash-100-mesh-sodium-form-500-g?ID=1422822">1422822</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422832-chelex-100-chelating-resin-analytical-grade-100-ndash-200-mesh-sodium-form-100-g">1422832</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1432832-chelex-100-chelating-resin-biotechnology-grade-100-ndash-200-mesh-sodium-form-500-g">1432832</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Iron</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422825-chelex-100-chelating-resin-analytical-grade-100-ndash-200-mesh-iron-form-100-g">1422825</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422842-chelex-100-chelating-resin-analytical-grade-200-ndash-400-mesh-sodium-form-500-g">1422842</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Mol Bio</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1421253-chelex-100-chelating-resin-molecular-biology-grade-200-ndash-400-mesh-sodium-form-50-g">1421253</a></td> </tr> </tbody> </table> <p class="caption">* Biotechnology-grade resin is certified to contain less than 100 microorganisms per gram; molecular-biology grade resin is certified to be endo- and exonuclease-free and contain no ligase inhibitors.</p> <h2 class="descHeader">Related Products</h2> <ul> <li><a href="/en-us/product/poly-prep-chromatography-columns">Poly-Prep<sup>®</sup> Chromatography Columns</a> hold up to 2 ml resin, polypropylene</li> <li><a href="/en-us/product/econo-pac-chromatography-columns">Econo-Pac<sup>®</sup> Chromatography Columns</a> hold from 1 to 20 ml resin, polypropylene</li> <li><a href="/en-us/product/glass-econo-column-columns?ID=2cfb1c6e-32e8-4c72-b532-dd39013d707d">Glass Econo-Column<sup>®</sup> Columns </a></li> <li><a href="/en-us/product/prepacked-gravity-flow-columns-for-ion-exchange">Prepacked Gravity Flow Columns for Ion Exchange</a></li> <li><a href="/en-us/product/uno-monolith-anion-exchange-columns">UNO<sup>®</sup> Monolith Anion Exchange Columns</a> for low to medium pressure</li> <li><a href="/en-us/product/enrich-high-resolution-ion-exchange-columns">ENrich™ High-Resolution Ion Exchange Columns</a></li> </ul> <h2 class="descHeader">Related Categories</h2> <ul> <li>Selection of <a href="/en-us/category/cation-exchange-resin">Cation Exchange Resins</a> with different specificities, capacities, operating pressures and flow rates</li> <li><a href="/en-us/category/chromatography-systems-components-accessories">Chromatography Systems, Components, and Accessories</a></li> <li><a href="/en-us/category/biologic-low-pressure-liquid-chromatography-systems">BioLogic™ Low-Pressure Liquid Chromatography Systems </a></li> <li><a href="/en-us/category/chromatography-resins?ID=f6b4c81f-147b-4130-83ae-d24dbba71eb2">Chromatography Resins </a></li> <li><a href="/en-us/category/chromatography-columns?ID=826b06e0-11cf-4f20-a477-e59ebc32eec1">Chromatography Columns </a></li> </ul> <h2 class="descHeader">Supporting Documents</h2> <ul> <li>AG 50W and AG MP-50 Cation Exchange Resins <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT203.pdf" target="_blank">Instruction Manual</a></li> <li>Molecular Biology Grade AG 50W-X8 Cation Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT304.pdf" target="_blank">Instruction Manual</a></li> <li>Bio-Rex Weakly Acidic Cation Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT206.pdf" target="_blank">Instruction Manual </a></li> <li>Chelex 100 and Chelex 20 Chelating Ion Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT200.pdf" target="_blank">Instruction Manual </a></li> <li>Lab-Scale Chromatography Sample Preparation <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/Bulletin_5777A.pdf" target="_blank">Guide</a></li> </ul> <h2 class="descHeader">Online Resources</h2> <ul> <li><a href="/en-us/applications-technologies/introduction-chromatography">Introduction to Chromatography</a></li> </ul> 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Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 50–100 mesh, sodium form, 500 g

1425832
500 g, cation exchange resin, sodium form, macroreticular, 50–100 dry mesh size, 150–300 µm wet bead size, >1,000,000 MW limit

1 1425832 /templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/142-5832_0921120703164.xml 1425832 /default/main/bio-rad/WORKAREA/default 09/21/09 12:07 PM en_US juso9m7o 2018-02-01 00:17:44 true true internet/product_SKU juso9m7o templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/142-5832_0921120703164.xml LSR 2019-05-04 18:20:41 /default/main/bio-rad/STAGING N /default/main/bio-rad en 12/31/37 11:59 PM 1556909731808 AE,AI,AL,AM,AR,AT,AU,AZ,BA,BD,BE,BF,BG,BH,BN,BO,BR,BW,CA,CH,CL,CM,CN,CO,CR,CY,CZ,DE,DK,DO,DZ,EC,EE,EG,EH,ER,ES,ET,FI,FM,FO,FR,GA,GE,GF,GH,GP,GR,GT,GU,HK,HN,HR,HT,HU,ID,IE,IL,IN,IS,IT,JM,JO,JP,KE,KH,KR,KW,KZ,LB,LI,LK,LT,LU,LV,MA,MD,MG,MK,ML,MO,MQ,MS,MT,MU,MX,MY,NG,NI,NL,NO,NP,NZ,OM,PA,PE,PF,PG,PH,PK,PL,PR,PS,PT,PW,PY,QA,RO,RS,RU,SA,SB,SE,SG,SI,SK,SN,ST,SV,TG,TH,TN,TO,TR,TT,TW,TZ,UA,UG,UK,US,UY,UZ,VA,VE,VU,XK,YE,ZA,VN 2019-05-04 18:20:41 /default/main/bio-rad/WORKAREA/default/templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/142-5832_0921120703164.xml templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/142-5832_0921120703164.xml 1425832-bio-rex-70-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-sodium-form-500-g 1425832 Bio-Rex 70 Resin Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 50–100 mesh, sodium form, 500 g 500 g, cation exchange resin, sodium form, macroreticular, 50–100 dry mesh size, 150–300 µm wet bead size, >1,000,000 MW limit 500 g, cation exchange resin, sodium form, macroreticular, 50–100 dry mesh size, 150–300 µm wet bead size, >1,000,000 MW limit 500 g, cation exchange resin, sodium form, macroreticular, 50–100 dry mesh size, 150–300 µm wet bead size, >1,000,000 MW limit /webroot/web/images/ps/products/ion_exchange_media/sku_thumb/global/142-5832_tn.jpg /webroot/web/images/ps/products/ion_exchange_media/sku_view/global/142-5832_view.jpg /webroot/web/images/ps/products/ion_exchange_media/sku_feature/global/142-5832_feature.jpg Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 50-100 mesh, sodium form, 500 g preview ,VN RepEx 142-5832 500 g, cation exchange resin, sodium form, macroreticular, 50–100 dry mesh size, 150–300 µm wet bead size, >1,000,000 MW limit 1425832, bio-rex, 70, resin, biorex, sodium, 50-100, dry, mesh, size, analytical, grade, macroreticular, ion, exchange, iex, cation, chromatography, purification, media 09/21/09 12:07 PM 12/31/37 11:59 PM AE,AI,AL,AM,AR,AT,AU,AZ,BA,BD,BE,BF,BG,BH,BN,BO,BR,BW,CA,CH,CL,CM,CN,CO,CR,CY,CZ,DE,DK,DO,DZ,EC,EE,EG,EH,ER,ES,ET,FI,FM,FO,FR,GA,GE,GF,GH,GP,GR,GT,GU,HK,HN,HR,HT,HU,ID,IE,IL,IN,IS,IT,JM,JO,JP,KE,KH,KR,KW,KZ,LB,LI,LK,LT,LU,LV,MA,MD,MG,MK,ML,MO,MQ,MS,MT,MU,MX,MY,NG,NI,NL,NO,NP,NZ,OM,PA,PE,PF,PG,PH,PK,PL,PR,PS,PT,PW,PY,QA,RO,RS,RU,SA,SB,SE,SG,SI,SK,SN,ST,SV,TG,TH,TN,TO,TR,TT,TW,TZ,UA,UG,UK,US,UY,UZ,VA,VE,VU,XK,YE,ZA,VN en LSR /LSR/Chromatography/Chromatography-Media N 0 <p>Choose analytical grade Bio-Rex 70 Resin for weak cation exchange. Use this sodium-form resin for gravity or low-pressure chromatography.</p> <ul> <li>High-capacity macroreticular resin with a pore size large enough to admit proteins</li> <li>Large-mesh resin is effective for preparative column and batch protocols</li> <li>Proteins do not bind so tightly that they are difficult to elute</li> <li>Larger volumes and special packaging are available upon request</li> </ul> <h2 class="descHeader">Product Options</h2> <table class="pd_table pd_gridlines" border="0"> <tbody> <tr> <td width="400" align="left" valign="top"><strong>Resin</strong></td> <td width="75" align="center" valign="top"><strong>Strength</strong></td> <td width="80" align="center" valign="top"><strong>Grade*</strong></td> <td width="150" align="center" valign="top"><strong>Crosslink</strong></td> <td width="150" align="center" valign="top"><strong>Ionic Form<br /><br /></strong></td> <td width="550" align="center" valign="top"><strong>Dry Mesh</strong></td> <td width="900" align="center" valign="top"><strong>Wet Bead Size µm<br /></strong></td> <td width="150" align="center" valign="top"><strong>MW Limit </strong></td> <td width="550" align="center" valign="top"><strong>Catalog Number<br /></strong></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421231-ag-50w-x2-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421231</a></td> </tr> <tr> <td align="left" valign="top">AG 50W-X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–300</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421241-ag-50w-x2-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421241</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–300</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1435241-ag-50w-x2-cation-exchange-resin-biotechnology-grade-100-ndash-200-mesh-hydrogen-form-100-g">1435241</a></td> </tr> <tr> <td align="left" valign="top">AG 50W-X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–180</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421251-ag-50w-x2-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421251</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">180–425</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421331-ag-50w-x4-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421331</a></td> </tr> <tr> <td align="left" valign="top">AG 50W-X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421341-ag-50w-x4-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421341</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421351-ag-50w-x4-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421351</a></td> </tr> <tr> <td align="left" valign="top">AG 50W-X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1435341-ag-50w-x4-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1435341</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">20–50</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421421-ag-50w-x8-cation-exchange-resin-analytical-grade-20-ndash-50-mesh-hydrogen-form-500-g">1421421</a></td> </tr> <tr> <td align="left" valign="top">AG 50W-X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">180–425</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421431-ag-50w-x8-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421431</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421441-ag-50w-x8-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421441</a></td> </tr> <tr> <td align="left" valign="top">AG 50W-X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435441-ag-50w-x8-cation-exchange-resin-biotechnology-grade-100-ndash-200-mesh-hydrogen-form-100-g">1435441</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421451-ag-50w-x8-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421451</a></td> </tr> <tr> <td align="left" valign="top">AG 50W-X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435451-ag-50w-x8-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1435451</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Mol Bio</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1431451-ag-50w-x8-cation-exchange-resin-molecular-biology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1431451</a></td> </tr> <tr> <td align="left" valign="top">AG 50W-X12</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">12%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~400</td> <td align="center" valign="top"><a href="/en-us/sku/1421641-ag-50w-x12-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421641</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W-X12</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">12%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">53–106</td> <td align="center" valign="top">~400</td> <td align="center" valign="top"><a href="/en-us/sku/1421651-ag-50w-x12-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421651</a></td> </tr> <tr> <td align="left" valign="top">AG MP-50</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroporous</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">>1,000,000</td> <td align="center" valign="top"><a href="/en-us/sku/1430841-ag-mp-50-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1430841</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio-Rex™ 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">20–50</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425822-bio-rex-70-cation-exchange-resin-analytical-grade-20-ndash-50-mesh-sodium-form-500-g">1425822</a></td> </tr> <tr> <td align="left" valign="top">Bio-Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top">1425832</td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio-Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435832-bio-rex-70-cation-exchange-resin-biotechnology-grade-50-ndash-100-mesh-sodium-form-100-g">1435832</a></td> </tr> <tr> <td align="left" valign="top">Bio-Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425842-bio-rex-70-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-sodium-form-500-g">1425842</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio-Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">45–75</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425852-bio-rex-70-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-sodium-form-500-g">1425852</a></td> </tr> <tr> <td align="left" valign="top">Bio-Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">45–75</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435852-bio-rex-70-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-sodium-form-100-g">1435852</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex<sup>®</sup> 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422822-chelex-100-chelating-resin-analytical-grade-50-ndash-100-mesh-sodium-form-500-g?ID=1422822">1422822</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422832-chelex-100-chelating-resin-analytical-grade-100-ndash-200-mesh-sodium-form-100-g">1422832</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1432832-chelex-100-chelating-resin-biotechnology-grade-100-ndash-200-mesh-sodium-form-500-g">1432832</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Iron</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422825-chelex-100-chelating-resin-analytical-grade-100-ndash-200-mesh-iron-form-100-g">1422825</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422842-chelex-100-chelating-resin-analytical-grade-200-ndash-400-mesh-sodium-form-500-g">1422842</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Mol Bio</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1421253-chelex-100-chelating-resin-molecular-biology-grade-200-ndash-400-mesh-sodium-form-50-g">1421253</a></td> </tr> </tbody> </table> <p class="caption">* Biotechnology-grade resin is certified to contain less than 100 microorganisms per gram; molecular-biology grade resin is certified to be endo- and exonuclease-free and contain no ligase inhibitors.</p> <h2 class="descHeader">Related Products</h2> <ul> <li><a href="/en-us/product/poly-prep-chromatography-columns">Poly-Prep<sup>®</sup> Chromatography Columns</a> hold up to 2 ml resin, polypropylene</li> <li><a href="/en-us/product/econo-pac-chromatography-columns">Econo-Pac<sup>®</sup> Chromatography Columns</a> hold from 1 to 20 ml resin, polypropylene</li> <li><a href="/en-us/product/glass-econo-column-columns?ID=2cfb1c6e-32e8-4c72-b532-dd39013d707d">Glass Econo-Column<sup>®</sup> Columns </a></li> <li><a href="/en-us/product/prepacked-gravity-flow-columns-for-ion-exchange">Prepacked Gravity Flow Columns for Ion Exchange</a></li> <li><a href="/en-us/product/uno-monolith-anion-exchange-columns">UNO<sup>®</sup> Monolith Anion Exchange Columns</a> for low to medium pressure</li> <li><a href="/en-us/product/enrich-high-resolution-ion-exchange-columns">ENrich™ High-Resolution Ion Exchange Columns</a></li> </ul> <h2 class="descHeader">Related Categories</h2> <ul> <li>Selection of <a href="/en-us/category/cation-exchange-resin">Cation Exchange Resins</a> with different specificities, capacities, operating pressures and flow rates</li> <li><a href="/en-us/category/chromatography-systems-components-accessories">Chromatography Systems, Components, and Accessories</a></li> <li><a href="/en-us/category/biologic-low-pressure-liquid-chromatography-systems">BioLogic™ Low-Pressure Liquid Chromatography Systems </a></li> <li><a href="/en-us/category/chromatography-resins?ID=f6b4c81f-147b-4130-83ae-d24dbba71eb2">Chromatography Resins </a></li> <li><a href="/en-us/category/chromatography-columns?ID=826b06e0-11cf-4f20-a477-e59ebc32eec1">Chromatography Columns </a></li> </ul> <h2 class="descHeader">Supporting Documents</h2> <ul> <li>AG 50W and AG MP-50 Cation Exchange Resins <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT203.pdf" target="_blank">Instruction Manual</a></li> <li>Molecular Biology Grade AG 50W-X8 Cation Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT304.pdf" target="_blank">Instruction Manual</a></li> <li>Bio-Rex Weakly Acidic Cation Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT206.pdf" target="_blank">Instruction Manual </a></li> <li>Chelex 100 and Chelex 20 Chelating Ion Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT200.pdf" target="_blank">Instruction Manual </a></li> <li>Lab-Scale Chromatography Sample Preparation <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/Bulletin_5777A.pdf" target="_blank">Guide</a></li> </ul> <h2 class="descHeader">Online Resources</h2> <ul> <li><a href="/en-us/applications-technologies/introduction-chromatography">Introduction to Chromatography</a></li> </ul> /webroot/web/html/lsr/products/SKUs/autopopulated 1425832.html 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Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 100–200 mesh, sodium form, 500 g

1425842
500 g, cation exchange resin, sodium form, macroreticular, 100–200 dry mesh size, 75–150 µm wet bead size, >1,000,000 MW limit

2 1425842 /templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/142-5842_0921120703045.xml 1425842 /default/main/bio-rad/WORKAREA/default 09/21/09 12:07 PM en_US juso9m7a 2018-02-01 00:17:44 true true internet/product_SKU juso9m7a templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/142-5842_0921120703045.xml LSR 2019-05-04 18:20:32 /default/main/bio-rad/STAGING N /default/main/bio-rad en 12/31/37 11:59 PM 1556909731858 AE,AI,AL,AM,AR,AT,AU,AZ,BA,BD,BE,BF,BG,BH,BN,BO,BR,BW,CA,CH,CL,CM,CN,CO,CR,CY,CZ,DE,DK,DO,DZ,EC,EE,EG,EH,ER,ES,ET,FI,FM,FO,FR,GA,GE,GF,GH,GP,GR,GT,GU,HK,HN,HR,HT,HU,ID,IE,IL,IN,IS,IT,JM,JO,JP,KE,KH,KR,KW,KZ,LB,LI,LK,LT,LU,LV,MA,MD,MG,MK,ML,MO,MQ,MS,MT,MU,MX,MY,NG,NI,NL,NO,NP,NZ,OM,PA,PE,PF,PG,PH,PK,PL,PR,PS,PT,PW,PY,QA,RO,RS,RU,SA,SB,SE,SG,SI,SK,SN,ST,SV,TG,TH,TN,TO,TR,TT,TW,TZ,UA,UG,UK,US,UY,UZ,VA,VE,VU,XK,YE,ZA,VN 2019-05-04 18:20:32 /default/main/bio-rad/WORKAREA/default/templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/142-5842_0921120703045.xml templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/142-5842_0921120703045.xml 1425842-bio-rex-70-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-sodium-form-500-g 1425842 Bio-Rex 70 Resin Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 100–200 mesh, sodium form, 500 g 500 g, cation exchange resin, sodium form, macroreticular, 100–200 dry mesh size, 75–150 µm wet bead size, >1,000,000 MW limit 500 g, cation exchange resin, sodium form, macroreticular, 100–200 dry mesh size, 75–150 µm wet bead size, >1,000,000 MW limit 500 g, cation exchange resin, sodium form, macroreticular, 100–200 dry mesh size, 75–150 µm wet bead size, >1,000,000 MW limit /webroot/web/images/ps/products/ion_exchange_media/sku_thumb/global/142-5842_tn.jpg /webroot/web/images/ps/products/ion_exchange_media/sku_view/global/142-5842_view.jpg /webroot/web/images/ps/products/ion_exchange_media/sku_feature/global/142-5842_feature.jpg Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 100-200 mesh, sodium form, 500 g preview ,VN RepEx 142-5842 500 g, cation exchange resin, sodium form, macroreticular, 100–200 dry mesh size, 75–150 µm wet bead size, >1,000,000 MW limit 1425842, bio-rex, 70, resin, biorex, sodium, 100-200, dry, mesh, size, analytical, grade, macroreticular, ion, exchange, iex, cation, chromatography, purification, media 09/21/09 12:07 PM 12/31/37 11:59 PM AE,AI,AL,AM,AR,AT,AU,AZ,BA,BD,BE,BF,BG,BH,BN,BO,BR,BW,CA,CH,CL,CM,CN,CO,CR,CY,CZ,DE,DK,DO,DZ,EC,EE,EG,EH,ER,ES,ET,FI,FM,FO,FR,GA,GE,GF,GH,GP,GR,GT,GU,HK,HN,HR,HT,HU,ID,IE,IL,IN,IS,IT,JM,JO,JP,KE,KH,KR,KW,KZ,LB,LI,LK,LT,LU,LV,MA,MD,MG,MK,ML,MO,MQ,MS,MT,MU,MX,MY,NG,NI,NL,NO,NP,NZ,OM,PA,PE,PF,PG,PH,PK,PL,PR,PS,PT,PW,PY,QA,RO,RS,RU,SA,SB,SE,SG,SI,SK,SN,ST,SV,TG,TH,TN,TO,TR,TT,TW,TZ,UA,UG,UK,US,UY,UZ,VA,VE,VU,XK,YE,ZA,VN en LSR /LSR/Chromatography/Chromatography-Media N 0 <p>Choose analytical grade Bio-Rex 70 Resin for weak cation exchange. Use this sodium-form resin for gravity or low-pressure chromatography.</p> <ul> <li>High-capacity macroreticular resin with a pore size large enough to admit proteins</li> <li>Medium-mesh resin is effective for preparative column and batch protocols</li> <li>Proteins do not bind so tightly that they are difficult to elute</li> <li>Larger volumes and special packaging are available upon request</li> </ul> <h2 class="descHeader">Product Options</h2> <table class="pd_table pd_gridlines" border="0"> <tbody> <tr> <td width="400" align="left" valign="top"><strong>Resin</strong></td> <td width="75" align="center" valign="top"><strong>Strength</strong></td> <td width="80" align="center" valign="top"><strong>Grade*</strong></td> <td width="150" align="center" valign="top"><strong>Crosslink</strong></td> <td width="150" align="center" valign="top"><strong>Ionic Form<br /><br /></strong></td> <td width="550" align="center" valign="top"><strong>Dry Mesh</strong></td> <td width="900" align="center" valign="top"><strong>Wet Bead Size µm<br /></strong></td> <td width="150" align="center" valign="top"><strong>MW Limit </strong></td> <td width="550" align="center" valign="top"><strong>Catalog Number<br /></strong></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421231-ag-50w-x2-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421231</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–300</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421241-ag-50w-x2-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421241</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–300</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1435241-ag-50w-x2-cation-exchange-resin-biotechnology-grade-100-ndash-200-mesh-hydrogen-form-100-g">1435241</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–180</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421251-ag-50w-x2-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421251</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">180–425</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421331-ag-50w-x4-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421331</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421341-ag-50w-x4-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421341</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421351-ag-50w-x4-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421351</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1435341-ag-50w-x4-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1435341</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">20–50</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421421-ag-50w-x8-cation-exchange-resin-analytical-grade-20-ndash-50-mesh-hydrogen-form-500-g">1421421</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">180–425</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421431-ag-50w-x8-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421431</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421441-ag-50w-x8-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421441</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435441-ag-50w-x8-cation-exchange-resin-biotechnology-grade-100-ndash-200-mesh-hydrogen-form-100-g">1435441</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421451-ag-50w-x8-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421451</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435451-ag-50w-x8-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1435451</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Mol Bio</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1431451-ag-50w-x8-cation-exchange-resin-molecular-biology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1431451</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X12</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">12%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~400</td> <td align="center" valign="top"><a href="/en-us/sku/1421641-ag-50w-x12-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421641</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X12</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">12%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">53–106</td> <td align="center" valign="top">~400</td> <td align="center" valign="top"><a href="/en-us/sku/1421651-ag-50w-x12-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421651</a></td> </tr> <tr> <td align="left" valign="top">AG MP‑50</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroporous</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">>1,000,000</td> <td align="center" valign="top"><a href="/en-us/sku/1430841-ag-mp-50-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1430841</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio‑Rex™ 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">20–50</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425822-bio-rex-70-cation-exchange-resin-analytical-grade-20-ndash-50-mesh-sodium-form-500-g">1425822</a></td> </tr> <tr> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425832-bio-rex-70-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-sodium-form-500-g">1425832</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435832-bio-rex-70-cation-exchange-resin-biotechnology-grade-50-ndash-100-mesh-sodium-form-100-g">1435832</a></td> </tr> <tr> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top">1425842</td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">45–75</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425852-bio-rex-70-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-sodium-form-500-g">1425852</a></td> </tr> <tr> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">45–75</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435852-bio-rex-70-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-sodium-form-100-g">1435852</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex<sup>®</sup> 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422822-chelex-100-chelating-resin-analytical-grade-50-ndash-100-mesh-sodium-form-500-g?ID=1422822">1422822</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422832-chelex-100-chelating-resin-analytical-grade-100-ndash-200-mesh-sodium-form-100-g">1422832</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1432832-chelex-100-chelating-resin-biotechnology-grade-100-ndash-200-mesh-sodium-form-500-g">1432832</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Iron</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422825-chelex-100-chelating-resin-analytical-grade-100-ndash-200-mesh-iron-form-100-g">1422825</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422842-chelex-100-chelating-resin-analytical-grade-200-ndash-400-mesh-sodium-form-500-g">1422842</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Mol Bio</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1421253-chelex-100-chelating-resin-molecular-biology-grade-200-ndash-400-mesh-sodium-form-50-g">1421253</a></td> </tr> </tbody> </table> <p class="caption">* Biotechnology-grade resin is certified to contain less than 100 microorganisms per gram; molecular-biology grade resin is certified to be endo- and exonuclease-free and contain no ligase inhibitors.</p> <h2 class="descHeader">Related Products</h2> <ul> <li><a href="/en-us/product/poly-prep-chromatography-columns">Poly-Prep<sup>®</sup> Chromatography Columns</a> hold up to 2 ml resin, polypropylene</li> <li><a href="/en-us/product/econo-pac-chromatography-columns">Econo-Pac<sup>®</sup> Chromatography Columns</a> hold from 1 to 20 ml resin, polypropylene</li> <li><a href="/en-us/product/glass-econo-column-columns?ID=2cfb1c6e-32e8-4c72-b532-dd39013d707d">Glass Econo-Column<sup>®</sup> Columns </a></li> <li><a href="/en-us/product/prepacked-gravity-flow-columns-for-ion-exchange">Prepacked Gravity Flow Columns for Ion Exchange</a></li> <li><a href="/en-us/product/uno-monolith-anion-exchange-columns">UNO<sup>®</sup> Monolith Anion Exchange Columns</a> for low to medium pressure</li> <li><a href="/en-us/product/enrich-high-resolution-ion-exchange-columns">ENrich™ High-Resolution Ion Exchange Columns</a></li> </ul> <h2 class="descHeader">Related Categories</h2> <ul> <li>Selection of <a href="/en-us/category/cation-exchange-resin">Cation Exchange Resins</a> with different specificities, capacities, operating pressures and flow rates</li> <li><a href="/en-us/category/chromatography-systems-components-accessories">Chromatography Systems, Components, and Accessories</a></li> <li><a href="/en-us/category/biologic-low-pressure-liquid-chromatography-systems">BioLogic™ Low-Pressure Liquid Chromatography Systems </a></li> <li><a href="/en-us/category/chromatography-resins?ID=f6b4c81f-147b-4130-83ae-d24dbba71eb2">Chromatography Resins </a></li> <li><a href="/en-us/category/chromatography-columns?ID=826b06e0-11cf-4f20-a477-e59ebc32eec1">Chromatography Columns </a></li> </ul> <h2 class="descHeader">Supporting Documents</h2> <ul> <li>AG 50W and AG MP-50 Cation Exchange Resins <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT203.pdf" target="_blank">Instruction Manual</a></li> <li>Molecular Biology Grade AG 50W-X8 Cation Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT304.pdf" target="_blank">Instruction Manual</a></li> <li>Bio-Rex Weakly Acidic Cation Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT206.pdf" target="_blank">Instruction Manual </a></li> <li>Chelex 100 and Chelex 20 Chelating Ion Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT200.pdf" target="_blank">Instruction Manual </a></li> <li>Lab-Scale Chromatography Sample Preparation <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/Bulletin_5777A.pdf" target="_blank">Guide</a></li> </ul> <h2 class="descHeader">Online Resources</h2> <ul> <li><a href="/en-us/applications-technologies/introduction-chromatography">Introduction to Chromatography</a></li> </ul> /webroot/web/html/lsr/products/SKUs/autopopulated 1425842.html 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Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 200–400 mesh, sodium form, 500 g

1425852
500 g, cation exchange resin, sodium form, macroreticular, 200–400 dry mesh size, 45–75 µm wet bead size, >1,000,000 MW limit

3 1425852 /templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/142-5852_0921120702879.xml 1425852 /default/main/bio-rad/WORKAREA/default 09/21/09 12:07 PM en_US juso9m6z 2018-02-01 00:17:44 true true internet/product_SKU juso9m6z templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/142-5852_0921120702879.xml LSR 2019-05-04 18:20:28 /default/main/bio-rad/STAGING N /default/main/bio-rad en 12/31/37 11:59 PM 1556909731900 AE,AI,AL,AM,AR,AT,AU,AZ,BA,BD,BE,BF,BG,BH,BN,BO,BR,BW,CA,CH,CL,CM,CN,CO,CR,CY,CZ,DE,DK,DO,DZ,EC,EE,EG,EH,ER,ES,ET,FI,FM,FO,FR,GA,GE,GF,GH,GP,GR,GT,GU,HK,HN,HR,HT,HU,ID,IE,IL,IN,IS,IT,JM,JO,JP,KE,KH,KR,KW,KZ,LB,LI,LK,LT,LU,LV,MA,MD,MG,MK,ML,MO,MQ,MS,MT,MU,MX,MY,NG,NI,NL,NO,NP,NZ,OM,PA,PE,PF,PG,PH,PK,PL,PR,PS,PT,PW,PY,QA,RO,RS,RU,SA,SB,SE,SG,SI,SK,SN,ST,SV,TG,TH,TN,TO,TR,TT,TW,TZ,UA,UG,UK,US,UY,UZ,VA,VE,VU,XK,YE,ZA,VN 2019-05-04 18:20:28 /default/main/bio-rad/WORKAREA/default/templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/142-5852_0921120702879.xml templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/142-5852_0921120702879.xml 1425852-bio-rex-70-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-sodium-form-500-g 1425852 Bio-Rex 70 Resin Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 200–400 mesh, sodium form, 500 g 500 g, cation exchange resin, sodium form, macroreticular, 200–400 dry mesh size, 45–75 µm wet bead size, >1,000,000 MW limit 500 g, cation exchange resin, sodium form, macroreticular, 200–400 dry mesh size, 45–75 µm wet bead size, >1,000,000 MW limit 500 g, cation exchange resin, sodium form, macroreticular, 200–400 dry mesh size, 45–75 µm wet bead size, >1,000,000 MW limit /webroot/web/images/ps/products/ion_exchange_media/sku_thumb/global/142-5852_tn.jpg /webroot/web/images/ps/products/ion_exchange_media/sku_view/global/142-5852_view.jpg /webroot/web/images/ps/products/ion_exchange_media/sku_feature/global/142-5852_feature.jpg Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 200-400 mesh, sodium form, 500 g preview ,VN RepEx 142-5852 500 g, cation exchange resin, sodium form, macroreticular, 200–400 dry mesh size, 45–75 µm wet bead size, >1,000,000 MW limit 1425852, bio-rex, 70, resin, biorex, sodium, 200-400, dry, mesh, size, analytical, grade, macroreticular, ion, exchange, iex, cation, chromatography, purification, media 09/21/09 12:07 PM 12/31/37 11:59 PM AE,AI,AL,AM,AR,AT,AU,AZ,BA,BD,BE,BF,BG,BH,BN,BO,BR,BW,CA,CH,CL,CM,CN,CO,CR,CY,CZ,DE,DK,DO,DZ,EC,EE,EG,EH,ER,ES,ET,FI,FM,FO,FR,GA,GE,GF,GH,GP,GR,GT,GU,HK,HN,HR,HT,HU,ID,IE,IL,IN,IS,IT,JM,JO,JP,KE,KH,KR,KW,KZ,LB,LI,LK,LT,LU,LV,MA,MD,MG,MK,ML,MO,MQ,MS,MT,MU,MX,MY,NG,NI,NL,NO,NP,NZ,OM,PA,PE,PF,PG,PH,PK,PL,PR,PS,PT,PW,PY,QA,RO,RS,RU,SA,SB,SE,SG,SI,SK,SN,ST,SV,TG,TH,TN,TO,TR,TT,TW,TZ,UA,UG,UK,US,UY,UZ,VA,VE,VU,XK,YE,ZA,VN en LSR /LSR/Chromatography/Chromatography-Media N 0 <p>Choose biotechnology grade Bio-Rex 70 Resin for weak cation exchange. Use this sodium-form resin for gravity or low-pressure chromatography.</p> <ul> <li>High-capacity macroreticular resin with a pore size large enough to admit proteins</li> <li>Fine-mesh resin is effective for preparative column and batch protocols</li> <li>Proteins do not bind so tightly that they are difficult to elute</li> <li>Larger volumes and special packaging are available upon request</li> </ul> <h2 class="descHeader">Product Options</h2> <table class="pd_table pd_gridlines" border="0"> <tbody> <tr> <td width="400" align="left" valign="top"><strong>Resin</strong></td> <td width="75" align="center" valign="top"><strong>Strength</strong></td> <td width="80" align="center" valign="top"><strong>Grade*</strong></td> <td width="150" align="center" valign="top"><strong>Crosslink</strong></td> <td width="150" align="center" valign="top"><strong>Ionic Form<br /><br /></strong></td> <td width="550" align="center" valign="top"><strong>Dry Mesh</strong></td> <td width="900" align="center" valign="top"><strong>Wet Bead Size µm<br /></strong></td> <td width="150" align="center" valign="top"><strong>MW Limit </strong></td> <td width="550" align="center" valign="top"><strong>Catalog Number<br /></strong></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421231-ag-50w-x2-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421231</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–300</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421241-ag-50w-x2-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421241</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–300</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1435241-ag-50w-x2-cation-exchange-resin-biotechnology-grade-100-ndash-200-mesh-hydrogen-form-100-g">1435241</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–180</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421251-ag-50w-x2-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421251</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">180–425</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421331-ag-50w-x4-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421331</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421341-ag-50w-x4-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421341</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421351-ag-50w-x4-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421351</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1435341-ag-50w-x4-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1435341</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">20–50</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421421-ag-50w-x8-cation-exchange-resin-analytical-grade-20-ndash-50-mesh-hydrogen-form-500-g">1421421</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">180–425</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421431-ag-50w-x8-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421431</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421441-ag-50w-x8-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421441</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435441-ag-50w-x8-cation-exchange-resin-biotechnology-grade-100-ndash-200-mesh-hydrogen-form-100-g">1435441</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421451-ag-50w-x8-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421451</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435451-ag-50w-x8-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1435451</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Mol Bio</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1431451-ag-50w-x8-cation-exchange-resin-molecular-biology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1431451</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X12</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">12%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~400</td> <td align="center" valign="top"><a href="/en-us/sku/1421641-ag-50w-x12-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421641</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X12</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">12%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">53–106</td> <td align="center" valign="top">~400</td> <td align="center" valign="top"><a href="/en-us/sku/1421651-ag-50w-x12-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421651</a></td> </tr> <tr> <td align="left" valign="top">AG MP‑50</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroporous</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">>1,000,000</td> <td align="center" valign="top"><a href="/en-us/sku/1430841-ag-mp-50-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1430841</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio‑Rex™ 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">20–50</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425822-bio-rex-70-cation-exchange-resin-analytical-grade-20-ndash-50-mesh-sodium-form-500-g">1425822</a></td> </tr> <tr> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425832-bio-rex-70-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-sodium-form-500-g">1425832</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435832-bio-rex-70-cation-exchange-resin-biotechnology-grade-50-ndash-100-mesh-sodium-form-100-g">1435832</a></td> </tr> <tr> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425842-bio-rex-70-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-sodium-form-500-g">1425842</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">45–75</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top">1425852</td> </tr> <tr> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">45–75</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435852-bio-rex-70-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-sodium-form-100-g">1435852</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex<sup>®</sup> 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422822-chelex-100-chelating-resin-analytical-grade-50-ndash-100-mesh-sodium-form-500-g?ID=1422822">1422822</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422832-chelex-100-chelating-resin-analytical-grade-100-ndash-200-mesh-sodium-form-100-g">1422832</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1432832-chelex-100-chelating-resin-biotechnology-grade-100-ndash-200-mesh-sodium-form-500-g">1432832</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Iron</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422825-chelex-100-chelating-resin-analytical-grade-100-ndash-200-mesh-iron-form-100-g">1422825</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422842-chelex-100-chelating-resin-analytical-grade-200-ndash-400-mesh-sodium-form-500-g">1422842</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Mol Bio</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1421253-chelex-100-chelating-resin-molecular-biology-grade-200-ndash-400-mesh-sodium-form-50-g">1421253</a></td> </tr> </tbody> </table> <p class="caption">* Biotechnology-grade resin is certified to contain less than 100 microorganisms per gram; molecular-biology grade resin is certified to be endo- and exonuclease-free and contain no ligase inhibitors.</p> <h2 class="descHeader">Related Products</h2> <ul> <li><a href="/en-us/product/poly-prep-chromatography-columns">Poly-Prep<sup>®</sup> Chromatography Columns</a> hold up to 2 ml resin, polypropylene</li> <li><a href="/en-us/product/econo-pac-chromatography-columns">Econo-Pac<sup>®</sup> Chromatography Columns</a> hold from 1 to 20 ml resin, polypropylene</li> <li><a href="/en-us/product/glass-econo-column-columns?ID=2cfb1c6e-32e8-4c72-b532-dd39013d707d">Glass Econo-Column<sup>®</sup> Columns </a></li> <li><a href="/en-us/product/prepacked-gravity-flow-columns-for-ion-exchange">Prepacked Gravity Flow Columns for Ion Exchange</a></li> <li><a href="/en-us/product/uno-monolith-anion-exchange-columns">UNO<sup>®</sup> Monolith Anion Exchange Columns</a> for low to medium pressure</li> <li><a href="/en-us/product/enrich-high-resolution-ion-exchange-columns">ENrich™ High-Resolution Ion Exchange Columns</a></li> </ul> <h2 class="descHeader">Related Categories</h2> <ul> <li>Selection of <a href="/en-us/category/cation-exchange-resin">Cation Exchange Resins</a> with different specificities, capacities, operating pressures and flow rates</li> <li><a href="/en-us/category/chromatography-systems-components-accessories">Chromatography Systems, Components, and Accessories</a></li> <li><a href="/en-us/category/biologic-low-pressure-liquid-chromatography-systems">BioLogic™ Low-Pressure Liquid Chromatography Systems </a></li> <li><a href="/en-us/category/chromatography-resins?ID=f6b4c81f-147b-4130-83ae-d24dbba71eb2">Chromatography Resins </a></li> <li><a href="/en-us/category/chromatography-columns?ID=826b06e0-11cf-4f20-a477-e59ebc32eec1">Chromatography Columns </a></li> </ul> <h2 class="descHeader">Supporting Documents</h2> <ul> <li>AG 50W and AG MP-50 Cation Exchange Resins <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT203.pdf" target="_blank">Instruction Manual</a></li> <li>Molecular Biology Grade AG 50W-X8 Cation Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT304.pdf" target="_blank">Instruction Manual</a></li> <li>Bio-Rex Weakly Acidic Cation Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT206.pdf" target="_blank">Instruction Manual </a></li> <li>Chelex 100 and Chelex 20 Chelating Ion Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT200.pdf" target="_blank">Instruction Manual </a></li> <li>Lab-Scale Chromatography Sample Preparation <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/Bulletin_5777A.pdf" target="_blank">Guide</a></li> </ul> <h2 class="descHeader">Online Resources</h2> <ul> <li><a href="/en-us/applications-technologies/introduction-chromatography">Introduction to Chromatography</a></li> </ul> /webroot/web/html/lsr/products/SKUs/autopopulated 1425852.html 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Bio-Rex™ 70 Cation Exchange Resin, biotechnology grade, 50–100 mesh, sodium form, 100 g

1435832
100 g, biotechnology grade cation exchange resin, sodium form, macroreticular, 50–100 dry mesh size, 150–300 µm wet bead size, >1,000,000 MW limit

4 1435832 /templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/143-5832_0921120703393.xml 1435832 /default/main/bio-rad/WORKAREA/default 09/21/09 12:07 PM en_US juso9m5b 2018-02-01 00:17:45 true true internet/product_SKU juso9m5b templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/143-5832_0921120703393.xml LSR 2019-05-04 18:20:31 /default/main/bio-rad/STAGING N /default/main/bio-rad en 12/31/37 11:59 PM 1556909732221 AE,AI,AL,AM,AR,AT,AU,AZ,BA,BD,BE,BF,BG,BH,BN,BO,BR,BW,CA,CH,CL,CM,CN,CO,CR,CY,CZ,DE,DK,DO,DZ,EC,EE,EG,EH,ER,ES,ET,FI,FM,FO,FR,GA,GE,GF,GH,GP,GR,GT,GU,HK,HN,HR,HT,HU,ID,IE,IL,IN,IS,IT,JM,JO,JP,KE,KH,KR,KW,KZ,LB,LI,LK,LT,LU,LV,MA,MD,MG,MK,ML,MO,MQ,MS,MT,MU,MX,MY,NG,NI,NL,NO,NP,NZ,OM,PA,PE,PF,PG,PH,PK,PL,PR,PS,PT,PW,PY,QA,RO,RS,RU,SA,SB,SE,SG,SI,SK,SN,ST,SV,TG,TH,TN,TO,TR,TT,TW,TZ,UA,UG,UK,US,UY,UZ,VA,VE,VU,XK,YE,ZA,VN 2019-05-04 18:20:31 /default/main/bio-rad/WORKAREA/default/templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/143-5832_0921120703393.xml templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/143-5832_0921120703393.xml 1435832-bio-rex-70-cation-exchange-resin-biotechnology-grade-50-ndash-100-mesh-sodium-form-100-g 1435832 Bio-Rex 70 Resin Bio-Rex™ 70 Cation Exchange Resin, biotechnology grade, 50–100 mesh, sodium form, 100 g 100 g, biotechnology grade cation exchange resin, sodium form, macroreticular, 50–100 dry mesh size, 150–300 µm wet bead size, >1,000,000 MW limit 100 g, biotechnology grade cation exchange resin, sodium form, macroreticular, 50–100 dry mesh size, 150–300 µm wet bead size, >1,000,000 MW limit 100 g, biotechnology grade cation exchange resin, sodium form, macroreticular, 50–100 dry mesh size, 150–300 µm wet bead size, >1,000,000 MW limit /webroot/web/images/ps/products/ion_exchange_media/sku_thumb/global/143-5832_tn.jpg /webroot/web/images/ps/products/ion_exchange_media/sku_view/global/143-5832_view.jpg /webroot/web/images/ps/products/ion_exchange_media/sku_feature/global/143-5832_feature.jpg Bio-Rex™ 70 Cation Exchange Resin, biotechnology grade, 50-100 mesh, sodium form, 100 g preview ,VN RepEx 143-5832 100 g, biotechnology grade cation exchange resin, sodium form, macroreticular, 50–100 dry mesh size, 150–300 µm wet bead size, >1,000,000 MW limit 1435832, bio-rex, 70, resin, biorex, sodium, 50-100, dry, mesh, size, biotechnology, grade, macroreticular, ion, exchange, iex, cation, chromatography, purification, media 09/21/09 12:07 PM 12/31/37 11:59 PM AE,AI,AL,AM,AR,AT,AU,AZ,BA,BD,BE,BF,BG,BH,BN,BO,BR,BW,CA,CH,CL,CM,CN,CO,CR,CY,CZ,DE,DK,DO,DZ,EC,EE,EG,EH,ER,ES,ET,FI,FM,FO,FR,GA,GE,GF,GH,GP,GR,GT,GU,HK,HN,HR,HT,HU,ID,IE,IL,IN,IS,IT,JM,JO,JP,KE,KH,KR,KW,KZ,LB,LI,LK,LT,LU,LV,MA,MD,MG,MK,ML,MO,MQ,MS,MT,MU,MX,MY,NG,NI,NL,NO,NP,NZ,OM,PA,PE,PF,PG,PH,PK,PL,PR,PS,PT,PW,PY,QA,RO,RS,RU,SA,SB,SE,SG,SI,SK,SN,ST,SV,TG,TH,TN,TO,TR,TT,TW,TZ,UA,UG,UK,US,UY,UZ,VA,VE,VU,XK,YE,ZA,VN en LSR /LSR/Chromatography/Chromatography-Media N 0 <p>Choose biotechnology grade Bio-Rex 70 Resin for weak cation exchange. Use this sodium-form resin for gravity or low-pressure chromatography.</p> <ul> <li>High-capacity macroreticular resin with a pore size large enough to admit proteins</li> <li>Large-mesh resin is effective for preparative column and batch protocols</li> <li>Proteins do not bind so tightly that they are difficult to elute</li> <li>Certified to contain less than 100 microorganisms per gram</li> <li>Larger volumes and special packaging are available upon request</li> </ul> <h2 class="descHeader">Product Options</h2> <table class="pd_table pd_gridlines" border="0"> <tbody> <tr> <td width="400" align="left" valign="top"><strong>Resin</strong></td> <td width="75" align="center" valign="top"><strong>Strength</strong></td> <td width="80" align="center" valign="top"><strong>Grade*</strong></td> <td width="150" align="center" valign="top"><strong>Crosslink</strong></td> <td width="150" align="center" valign="top"><strong>Ionic Form<br /><br /></strong></td> <td width="550" align="center" valign="top"><strong>Dry Mesh</strong></td> <td width="900" align="center" valign="top"><strong>Wet Bead Size µm<br /></strong></td> <td width="150" align="center" valign="top"><strong>MW Limit </strong></td> <td width="550" align="center" valign="top"><strong>Catalog Number<br /></strong></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421231-ag-50w-x2-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421231</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–300</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421241-ag-50w-x2-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421241</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–300</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1435241-ag-50w-x2-cation-exchange-resin-biotechnology-grade-100-ndash-200-mesh-hydrogen-form-100-g">1435241</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–180</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421251-ag-50w-x2-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421251</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">180–425</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421331-ag-50w-x4-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421331</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421341-ag-50w-x4-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421341</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421351-ag-50w-x4-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421351</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1435341-ag-50w-x4-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1435341</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">20–50</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421421-ag-50w-x8-cation-exchange-resin-analytical-grade-20-ndash-50-mesh-hydrogen-form-500-g">1421421</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">180–425</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421431-ag-50w-x8-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421431</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421441-ag-50w-x8-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421441</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435441-ag-50w-x8-cation-exchange-resin-biotechnology-grade-100-ndash-200-mesh-hydrogen-form-100-g">1435441</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421451-ag-50w-x8-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421451</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435451-ag-50w-x8-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1435451</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Mol Bio</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1431451-ag-50w-x8-cation-exchange-resin-molecular-biology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1431451</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X12</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">12%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~400</td> <td align="center" valign="top"><a href="/en-us/sku/1421641-ag-50w-x12-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421641</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X12</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">12%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">53–106</td> <td align="center" valign="top">~400</td> <td align="center" valign="top"><a href="/en-us/sku/1421651-ag-50w-x12-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421651</a></td> </tr> <tr> <td align="left" valign="top">AG MP‑50</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroporous</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">>1,000,000</td> <td align="center" valign="top"><a href="/en-us/sku/1430841-ag-mp-50-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1430841</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio‑Rex™ 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">20–50</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425822-bio-rex-70-cation-exchange-resin-analytical-grade-20-ndash-50-mesh-sodium-form-500-g">1425822</a></td> </tr> <tr> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425832-bio-rex-70-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-sodium-form-500-g">1425832</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top">1435832</td> </tr> <tr> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425842-bio-rex-70-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-sodium-form-500-g">1425842</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">45–75</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425852-bio-rex-70-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-sodium-form-500-g">1425852</a></td> </tr> <tr> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">45–75</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435852-bio-rex-70-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-sodium-form-100-g">1435852</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex<sup>®</sup> 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422822-chelex-100-chelating-resin-analytical-grade-50-ndash-100-mesh-sodium-form-500-g?ID=1422822">1422822</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422832-chelex-100-chelating-resin-analytical-grade-100-ndash-200-mesh-sodium-form-100-g">1422832</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1432832-chelex-100-chelating-resin-biotechnology-grade-100-ndash-200-mesh-sodium-form-500-g">1432832</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Iron</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422825-chelex-100-chelating-resin-analytical-grade-100-ndash-200-mesh-iron-form-100-g">1422825</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422842-chelex-100-chelating-resin-analytical-grade-200-ndash-400-mesh-sodium-form-500-g">1422842</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Mol Bio</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1421253-chelex-100-chelating-resin-molecular-biology-grade-200-ndash-400-mesh-sodium-form-50-g">1421253</a></td> </tr> </tbody> </table> <br /> <p class="caption">* Biotechnology-grade resin is certified to contain less than 100 microorganisms per gram; molecular-biology grade resin is certified to be endo- and exonuclease-free and contain no ligase inhibitors.</p> <br /> <h2 class="descHeader">Related Products</h2> <ul> <li><a href="/en-us/product/poly-prep-chromatography-columns">Poly-Prep<sup>®</sup> Chromatography Columns</a> hold up to 2 ml resin, polypropylene</li> <li><a href="/en-us/product/econo-pac-chromatography-columns">Econo-Pac<sup>®</sup> Chromatography Columns</a> hold from 1 to 20 ml resin, polypropylene</li> <li><a href="/en-us/product/glass-econo-column-columns?ID=2cfb1c6e-32e8-4c72-b532-dd39013d707d">Glass Econo-Column<sup>®</sup> Columns </a></li> <li><a href="/en-us/product/prepacked-gravity-flow-columns-for-ion-exchange">Prepacked Gravity Flow Columns for Ion Exchange</a></li> <li><a href="/en-us/product/uno-monolith-anion-exchange-columns">UNO<sup>®</sup> Monolith Anion Exchange Columns</a> for low to medium pressure</li> <li><a href="/en-us/product/enrich-high-resolution-ion-exchange-columns">ENrich™ High-Resolution Ion Exchange Columns</a></li> </ul> <h2 class="descHeader">Related Categories</h2> <ul> <li>Selection of <a href="/en-us/category/cation-exchange-resin">Cation Exchange Resins</a> with different specificities, capacities, operating pressures and flow rates</li> <li><a href="/en-us/category/chromatography-systems-components-accessories">Chromatography Systems, Components, and Accessories</a></li> <li><a href="/en-us/category/biologic-low-pressure-liquid-chromatography-systems">BioLogic™ Low-Pressure Liquid Chromatography Systems </a></li> <li><a href="/en-us/category/chromatography-resins?ID=f6b4c81f-147b-4130-83ae-d24dbba71eb2">Chromatography Resins </a></li> <li><a href="/en-us/category/chromatography-columns?ID=826b06e0-11cf-4f20-a477-e59ebc32eec1">Chromatography Columns </a></li> </ul> <h2 class="descHeader">Supporting Documents</h2> <ul> <li>AG 50W and AG MP-50 Cation Exchange Resins <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT203.pdf" target="_blank">Instruction Manual</a></li> <li>Molecular Biology Grade AG 50W-X8 Cation Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT304.pdf" target="_blank">Instruction Manual</a></li> <li>Bio-Rex Weakly Acidic Cation Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT206.pdf" target="_blank">Instruction Manual </a></li> <li>Chelex 100 and Chelex 20 Chelating Ion Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT200.pdf" target="_blank">Instruction Manual </a></li> <li>Lab-Scale Chromatography Sample Preparation <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/Bulletin_5777A.pdf" target="_blank">Guide</a></li> </ul> <h2 class="descHeader">Online Resources</h2> <ul> <li><a href="/en-us/applications-technologies/introduction-chromatography">Introduction to Chromatography</a></li> </ul> 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Bio-Rex™ 70 Cation Exchange Resin, biotechnology grade, 200–400 mesh, sodium form, 100 g

1435852
100 g, biotechnology grade cation exchange resin, sodium form, macroreticular, 200–400 dry mesh size, 45–75 µm wet bead size, >1,000,000 MW limit

5 1435852 /templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/143-5852_0921120702961.xml 1435852 /default/main/bio-rad/WORKAREA/default 09/21/09 12:07 PM en_US juso9m49 2018-02-01 00:17:45 true true internet/product_SKU juso9m49 templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/143-5852_0921120702961.xml LSR 2019-05-04 18:20:14 /default/main/bio-rad/STAGING N /default/main/bio-rad en 12/31/37 11:59 PM 1556909732270 AE,AI,AL,AM,AR,AT,AU,AZ,BA,BD,BE,BF,BG,BH,BN,BO,BR,BW,CA,CH,CL,CM,CN,CO,CR,CY,CZ,DE,DK,DO,DZ,EC,EE,EG,EH,ER,ES,ET,FI,FM,FO,FR,GA,GE,GF,GH,GP,GR,GT,GU,HK,HN,HR,HT,HU,ID,IE,IL,IN,IS,IT,JM,JO,JP,KE,KH,KR,KW,KZ,LB,LI,LK,LT,LU,LV,MA,MD,MG,MK,ML,MO,MQ,MS,MT,MU,MX,MY,NG,NI,NL,NO,NP,NZ,OM,PA,PE,PF,PG,PH,PK,PL,PR,PS,PT,PW,PY,QA,RO,RS,RU,SA,SB,SE,SG,SI,SK,SN,ST,SV,TG,TH,TN,TO,TR,TT,TW,TZ,UA,UG,UK,US,UY,UZ,VA,VE,VU,XK,YE,ZA,VN 2019-05-04 18:20:14 /default/main/bio-rad/WORKAREA/default/templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/143-5852_0921120702961.xml templatedata/internet/product_SKU/data/LSR/Chromatography/Chromatography-Media/143-5852_0921120702961.xml 1435852-bio-rex-70-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-sodium-form-100-g 1435852 Bio-Rex 70 Resin Bio-Rex™ 70 Cation Exchange Resin, biotechnology grade, 200–400 mesh, sodium form, 100 g 100 g, biotechnology grade cation exchange resin, sodium form, macroreticular, 200–400 dry mesh size, 45–75 µm wet bead size, >1,000,000 MW limit 100 g, biotechnology grade cation exchange resin, sodium form, macroreticular, 200–400 dry mesh size, 45–75 µm wet bead size, >1,000,000 MW limit 100 g, biotechnology grade cation exchange resin, sodium form, macroreticular, 200–400 dry mesh size, 45–75 µm wet bead size, >1,000,000 MW limit /webroot/web/images/lsr/products/chromatography/sku_thumb/global/143-5852_tn.jpg /webroot/web/images/lsr/products/chromatography/sku_view/global/143-5852_view.jpg /webroot/web/images/lsr/products/chromatography/sku_feature/global/143-5852_feature.jpg Bio-Rex™ 70 Cation Exchange Resin, biotechnology grade, 200-400 mesh, sodium form, 100 g preview ,VN RepEx 143-5852 100 g, biotechnology grade cation exchange resin, sodium form, macroreticular, 200–400 dry mesh size, 45–75 µm wet bead size, >1,000,000 MW limit 1435852, bio-rex, 70, resin, biorex, sodium, 200-400, dry, mesh, size, biotechnology, grade, macroreticular, ion, exchange, iex, cation, chromatography, purification, media 09/21/09 12:07 PM 12/31/37 11:59 PM AE,AI,AL,AM,AR,AT,AU,AZ,BA,BD,BE,BF,BG,BH,BN,BO,BR,BW,CA,CH,CL,CM,CN,CO,CR,CY,CZ,DE,DK,DO,DZ,EC,EE,EG,EH,ER,ES,ET,FI,FM,FO,FR,GA,GE,GF,GH,GP,GR,GT,GU,HK,HN,HR,HT,HU,ID,IE,IL,IN,IS,IT,JM,JO,JP,KE,KH,KR,KW,KZ,LB,LI,LK,LT,LU,LV,MA,MD,MG,MK,ML,MO,MQ,MS,MT,MU,MX,MY,NG,NI,NL,NO,NP,NZ,OM,PA,PE,PF,PG,PH,PK,PL,PR,PS,PT,PW,PY,QA,RO,RS,RU,SA,SB,SE,SG,SI,SK,SN,ST,SV,TG,TH,TN,TO,TR,TT,TW,TZ,UA,UG,UK,US,UY,UZ,VA,VE,VU,XK,YE,ZA,VN en LSR /LSR/Chromatography/Chromatography-Media N 0 <p>Choose biotechnology grade Bio-Rex 70 Resin for weak cation exchange. Use this sodium-form resin for gravity or low-pressure chromatography.</p> <ul> <li>High-capacity macroreticular resin with a pore size large enough to admit proteins</li> <li>Fine-mesh resin is effective for preparative column and batch protocols</li> <li>Proteins do not bind so tightly that they are difficult to elute</li> <li>Certified to contain less than 100 microorganisms per gram</li> <li>Larger volumes and special packaging are available upon request</li> </ul> <h2 class="descHeader">Product Options</h2> <table class="pd_table pd_gridlines" border="0"> <tbody> <tr> <td width="400" align="left" valign="top"><strong>Resin</strong></td> <td width="75" align="center" valign="top"><strong>Strength</strong></td> <td width="80" align="center" valign="top"><strong>Grade*</strong></td> <td width="150" align="center" valign="top"><strong>Crosslink</strong></td> <td width="150" align="center" valign="top"><strong>Ionic Form<br /><br /></strong></td> <td width="550" align="center" valign="top"><strong>Dry Mesh</strong></td> <td width="900" align="center" valign="top"><strong>Wet Bead Size µm<br /></strong></td> <td width="150" align="center" valign="top"><strong>MW Limit </strong></td> <td width="550" align="center" valign="top"><strong>Catalog Number<br /></strong></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421231-ag-50w-x2-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421231</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–300</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421241-ag-50w-x2-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421241</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–300</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1435241-ag-50w-x2-cation-exchange-resin-biotechnology-grade-100-ndash-200-mesh-hydrogen-form-100-g">1435241</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X2</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">2%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–180</td> <td align="center" valign="top">~2,700</td> <td align="center" valign="top"><a href="/en-us/sku/1421251-ag-50w-x2-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421251</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">180–425</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421331-ag-50w-x4-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421331</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421341-ag-50w-x4-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421341</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1421351-ag-50w-x4-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421351</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X4</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">4%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~1,400</td> <td align="center" valign="top"><a href="/en-us/sku/1435341-ag-50w-x4-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1435341</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">20–50</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421421-ag-50w-x8-cation-exchange-resin-analytical-grade-20-ndash-50-mesh-hydrogen-form-500-g">1421421</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">180–425</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421431-ag-50w-x8-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-hydrogen-form-500-g">1421431</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421441-ag-50w-x8-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421441</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435441-ag-50w-x8-cation-exchange-resin-biotechnology-grade-100-ndash-200-mesh-hydrogen-form-100-g">1435441</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1421451-ag-50w-x8-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421451</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435451-ag-50w-x8-cation-exchange-resin-biotechnology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1435451</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X8</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Mol Bio</td> <td align="center" valign="top">8%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">63–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1431451-ag-50w-x8-cation-exchange-resin-molecular-biology-grade-200-ndash-400-mesh-hydrogen-form-100-g">1431451</a></td> </tr> <tr> <td align="left" valign="top">AG 50W‑X12</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">12%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">106–250</td> <td align="center" valign="top">~400</td> <td align="center" valign="top"><a href="/en-us/sku/1421641-ag-50w-x12-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1421641</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">AG 50W‑X12</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">12%</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">53–106</td> <td align="center" valign="top">~400</td> <td align="center" valign="top"><a href="/en-us/sku/1421651-ag-50w-x12-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-hydrogen-form-500-g">1421651</a></td> </tr> <tr> <td align="left" valign="top">AG MP‑50</td> <td align="center" valign="top">Strong</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroporous</td> <td align="center" valign="top">Hydrogen</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">>1,000,000</td> <td align="center" valign="top"><a href="/en-us/sku/1430841-ag-mp-50-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-hydrogen-form-500-g">1430841</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio‑Rex™ 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">20–50</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425822-bio-rex-70-cation-exchange-resin-analytical-grade-20-ndash-50-mesh-sodium-form-500-g">1425822</a></td> </tr> <tr> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425832-bio-rex-70-cation-exchange-resin-analytical-grade-50-ndash-100-mesh-sodium-form-500-g">1425832</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1435832-bio-rex-70-cation-exchange-resin-biotechnology-grade-50-ndash-100-mesh-sodium-form-100-g">1435832</a></td> </tr> <tr> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425842-bio-rex-70-cation-exchange-resin-analytical-grade-100-ndash-200-mesh-sodium-form-500-g">1425842</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">45–75</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top"><a href="/en-us/sku/1425852-bio-rex-70-cation-exchange-resin-analytical-grade-200-ndash-400-mesh-sodium-form-500-g">1425852</a></td> </tr> <tr> <td align="left" valign="top">Bio‑Rex 70</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">Macroreticular</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">45–75</td> <td align="center" valign="top">~1,000</td> <td align="center" valign="top">1435852</td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex<sup>®</sup> 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">50–100</td> <td align="center" valign="top">300–1,180</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422822-chelex-100-chelating-resin-analytical-grade-50-ndash-100-mesh-sodium-form-500-g?ID=1422822">1422822</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422832-chelex-100-chelating-resin-analytical-grade-100-ndash-200-mesh-sodium-form-100-g">1422832</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Biotech</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1432832-chelex-100-chelating-resin-biotechnology-grade-100-ndash-200-mesh-sodium-form-500-g">1432832</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Iron</td> <td align="center" valign="top">100–200</td> <td align="center" valign="top">150–300</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422825-chelex-100-chelating-resin-analytical-grade-100-ndash-200-mesh-iron-form-100-g">1422825</a></td> </tr> <tr class="pd_colorbackground"> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Analytical</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1422842-chelex-100-chelating-resin-analytical-grade-200-ndash-400-mesh-sodium-form-500-g">1422842</a></td> </tr> <tr> <td align="left" valign="top">Chelex 100</td> <td align="center" valign="top">Weak</td> <td align="center" valign="top">Mol Bio</td> <td align="center" valign="top">1%</td> <td align="center" valign="top">Sodium</td> <td align="center" valign="top">200–400</td> <td align="center" valign="top">75–150</td> <td align="center" valign="top">~3,500</td> <td align="center" valign="top"><a href="/en-us/sku/1421253-chelex-100-chelating-resin-molecular-biology-grade-200-ndash-400-mesh-sodium-form-50-g">1421253</a></td> </tr> </tbody> </table> <br /> <p class="caption">* Biotechnology-grade resin is certified to contain less than 100 microorganisms per gram; molecular-biology grade resin is certified to be endo- and exonuclease-free and contain no ligase inhibitors.</p> <br /> <h2 class="descHeader">Related Products</h2> <ul> <li><a href="/en-us/product/poly-prep-chromatography-columns">Poly-Prep<sup>®</sup> Chromatography Columns</a> hold up to 2 ml resin, polypropylene</li> <li><a href="/en-us/product/econo-pac-chromatography-columns">Econo-Pac<sup>®</sup> Chromatography Columns</a> hold from 1 to 20 ml resin, polypropylene</li> <li><a href="/en-us/product/glass-econo-column-columns?ID=2cfb1c6e-32e8-4c72-b532-dd39013d707d">Glass Econo-Column<sup>®</sup> Columns </a></li> <li><a href="/en-us/product/prepacked-gravity-flow-columns-for-ion-exchange">Prepacked Gravity Flow Columns for Ion Exchange</a></li> <li><a href="/en-us/product/uno-monolith-anion-exchange-columns">UNO<sup>®</sup> Monolith Anion Exchange Columns</a> for low to medium pressure</li> <li><a href="/en-us/product/enrich-high-resolution-ion-exchange-columns">ENrich™ High-Resolution Ion Exchange Columns</a></li> </ul> <h2 class="descHeader">Related Categories</h2> <ul> <li>Selection of <a href="/en-us/category/cation-exchange-resin">Cation Exchange Resins</a> with different specificities, capacities, operating pressures and flow rates</li> <li><a href="/en-us/category/chromatography-systems-components-accessories">Chromatography Systems, Components, and Accessories</a></li> <li><a href="/en-us/category/biologic-low-pressure-liquid-chromatography-systems">BioLogic™ Low-Pressure Liquid Chromatography Systems </a></li> <li><a href="/en-us/category/chromatography-resins?ID=f6b4c81f-147b-4130-83ae-d24dbba71eb2">Chromatography Resins </a></li> <li><a href="/en-us/category/chromatography-columns?ID=826b06e0-11cf-4f20-a477-e59ebc32eec1">Chromatography Columns </a></li> </ul> <h2 class="descHeader">Supporting Documents</h2> <ul> <li>AG 50W and AG MP-50 Cation Exchange Resins <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT203.pdf" target="_blank">Instruction Manual</a></li> <li>Molecular Biology Grade AG 50W-X8 Cation Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT304.pdf" target="_blank">Instruction Manual</a></li> <li>Bio-Rex Weakly Acidic Cation Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT206.pdf" target="_blank">Instruction Manual </a></li> <li>Chelex 100 and Chelex 20 Chelating Ion Exchange Resin <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/LIT200.pdf" target="_blank">Instruction Manual </a></li> <li>Lab-Scale Chromatography Sample Preparation <a class="no-target-style" href="/webroot/web/pdf/lsr/literature/Bulletin_5777A.pdf" target="_blank">Guide</a></li> </ul> <h2 class="descHeader">Online Resources</h2> <ul> <li><a href="/en-us/applications-technologies/introduction-chromatography">Introduction to Chromatography</a></li> </ul> 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Number	Description	Options
LIT206	Instruction Manual, Bio-Rex™ Weakly Acidic Cation Exchange Resin, Rev B	Click to download
6907	Speciality Beads: Bio-Rex™ Resins Flier, Ver A	Click to download

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Bio-Rex™ 70 Cation Exchange Resins

Overview

Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 20–50 mesh, sodium form, 500 g

Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 50–100 mesh, sodium form, 500 g

Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 100–200 mesh, sodium form, 500 g

Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 200–400 mesh, sodium form, 500 g

Bio-Rex™ 70 Cation Exchange Resin, biotechnology grade, 50–100 mesh, sodium form, 100 g

Bio-Rex™ 70 Cation Exchange Resin, biotechnology grade, 200–400 mesh, sodium form, 100 g

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Bio-Rex™ 70 Cation Exchange Resins

Overview

Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 20–50 mesh, sodium form, 500 g

Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 50–100 mesh, sodium form, 500 g

Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 100–200 mesh, sodium form, 500 g

Bio-Rex™ 70 Cation Exchange Resin, analytical grade, 200–400 mesh, sodium form, 500 g

Bio-Rex™ 70 Cation Exchange Resin, biotechnology grade, 50–100 mesh, sodium form, 100 g

Bio-Rex™ 70 Cation Exchange Resin, biotechnology grade, 200–400 mesh, sodium form, 100 g

I cannot find the Certificate of Analysis I am looking for. Help!

Where can I find the catalog number, SKU number, or product number?

Where can I find the lot or control number?

Why are Certificates of Analysis not on the Documents tab?

I have a batch number, not a lot/control number. How do I find the Certificate of Analysis for my item?

Can I get a Certificate of Analysis even if my item is expired?

Why does it say "Product Name Not Found" for a Certificate of Analysis listed in the search results?

Why does it say "Not Available" for a Certificate of Analysis listed in the search results?

Support

Documents

Ordering

Our Products

Company

Asia Pacific