Bio-Beads™ S-X Resin

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Bio-Beads™ S-X Resin

Overview

Specifications
Catalog # Description Bead Size
(µm)
Bed Volume
(ml/dry g)*
Application**
152–2150 Bio-Beads S-X1 Support, 100 g 40–80 7.5 1% crosslinked; for lipophilic polymers
of MW 600–14,000
152–2151 Bio-Beads S-X1 Support, 1 kg      
152–2750 Bio-Beads S-X3 Support, 100 g 40–80 4.75 3% crosslinked; for organic compounds
of MW ≤2,000
152–3350 Bio-Beads S-X8 Support, 100 g 40–80 3.1 8% crosslinked; for organic compounds
of MW ≤1,000
152–3650 Bio-Beads S-X12 Support, 100 g 40–80 2.5 12% crosslinked; for organic compounds
of MW ≤400
Bio-Beads S-X Media

Bio-Beads S-X resins are neutral, porous styrene divinylbenzene beads for size exclusion chromatography of lipophilic polymers and other solutes that require organic eluents. Molecular weight exclusion limits range from 400 to 14,000. This range is useful for fractionation of low molecular weight organic polymers and other hydrophobic substances such as pesticides, rodenticides, polycyclic aromatic compounds, and unsaturated lipids. Exclusion limits are influenced by the eluent used. Separations using Bio-Beads S-X resin require an eluent that is mobile; therefore, the beads must be used in a column. Highest exclusion limits are achieved with solvents of greater aromaticity. The beads are compatible with benzene, toluene, xylene, carbon tetrachloride, dimethylformamide, ketones, aromatics, methylene chloride, o-dichlorobenzene, perchloroethylene, tetrahydrofuran, and trichlorobenzene.

Recommended flow rates depend upon the crosslinkage:

  • 1% crosslinked resins are used only with gravity flow
  • 3% crosslinked resin can withstand a flow of 5 ml/min with a backpressure of 20 bar or 300 psi
  • 8% and 12% crosslinked resins can withstand up to 33 bar or 500 psi

 

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Bio-Beads S-X1 Support

1522150
100 g, styrene divinylbenzene beads for size exclusion chromatography, 1% crosslinkage, 40–80 µm bead size, 600–14,000 MW exclusion range

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$450.00
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Bio-Beads S-X1 Support

1522151
1 kg, styrene divinylbenzene beads for size exclusion chromatography, 1% crosslinkage, 40–80 µm bead size, 600–14,000 MW exclusion range

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$3,240.00
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Bio-Beads S-X3 Support

1522750
100 g, styrene divinylbenzene beads for size limit chromatography, 3% crosslinkage, 40–80 µm bead size, ≤2,000 MW limit

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$450.00
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Bio-Beads S-X8 Support

1523350
100 g, styrene divinylbenzene beads for size limit chromatography, 8% crosslinkage, 40–80 µm bead size, ~1,000 MW limit

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$450.00
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Bio-Beads S-X12 Support

1523650
100 g, styrene divinylbenzene beads for size exclusion chromatography, 12% crosslinkage, 40–80 µm bead size, for lipophilic compounds MW ≤400

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$525.00
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Number Description Options
4006139 Instruction Manual, Bio-Gel A Gels (discontinued product, PDF only) Click to download
LIT263 Instruction Manual, Bio-Beads SX Beads, Rev C Click to download