RAPID'E.coli 2 Agar for Water Testing

Print
RAPID'<em>E.coli</em> 2 Agar for Water Testing

Overview

Key Benefits
  • Reliable results compared to TTC Tergitol (NF VALIDATION)
  • One single plate for direct and simultaneous enumeration of E. coli and coliforms
  • Good recovery of stressed and chlorine-injured E. coli strains (weakly positive β-glucuronidase)
  • Very good selectivity against abundant interfering hydric flora
  • Complete results within 21 hrs ± 3 hrs at just one temperature of 36°C
  • Good colony coloration contrast for a quick and comfortable reading
  • No confirmation step required
RAPID'E.coli 2 Agar Water Testing Protocol
Validated for Water Testing

The RAPID'E.coli 2 protocol is certified by NF VALIDATION as an alternative method for the detection and enumeration of E. coli and coliforms in water according to the NF EN ISO 9308-1:2000 standard Protocol for the Validation of a commercial method versus a reference method in the water microbiology field (rev 1).

 



RAPID'E.coli 2 Agar for Water Testing is composed of the RAPID'E.coli 2 Chromogenic Medium and a selective supplement. The agar medium provides direct enumeration, without confirmation, of E. coli and other coliforms in water samples.

Intended Use

This test is designed for the simultaneous detection and enumeration of E. coli and total coliforms in water for human consumption and untreated water such as well water, lakes, and streams where there is abundant microbial flora.

Key Benefits

  • Reliable results comparable to TTC Tergitol (NF VALIDATION)
  • Single plate for direct enumeration of both E. coli and coliforms
  • Good recovery of stressed and chlorine-injured E. coli (weakly positive β-glucuronidase)
  • High selectivity against interfering flora
  • Complete results within 21 hr ± 3 hr at 36°C
  • Excellent color contrast for quick straightforward reading
  • No confirmation step required
  • Certified NF VALIDATION as an alternative method to the EN ISO 93038-1 standard

Principle

RAPID'E.coli 2 Agar for Water Testing is based on the simultaneous detection of β-D-glucuronidase (GLUC) and β-D-galactosidase (GAL) activities. Coliforms (GAL+/GLUC-) form green colonies, whereas for E. coli (GAL+/GLUC+) the combined GAL and GLUC (pink) enzyme activities result in blue to violet colonies.

Interfering flora in water is inhibited by the supplement making RAPID'E.coli 2 Agar a good choice for testing water for human consumption and untreated water (such as water from wells, lakes, and rivers) where standard media are often not suitable.


Coliforms:
green colonies

E. coli: blue colonies
with a possible violet halo

Stressed or injured E.coli:
grey-blue to violet colonies with a possible violet halo

Ordering Information

RAPID'E.coli 2 Agar for Water Testing is available as:

  • Ready-to-use agar plates containing the selective supplement (3563982)
  • Agar broth + selective supplement (3555299). Supplement is added after cooling melted broth to 47°C prior to pouring plates
  • Dehydrated agar broth (3564024). Selective supplement (3555298) is added to the cooled rehydrated molten agar broth prior to pouring plates

Related Categories

x

Account price failed to display. Please try reloading the page. Reload Page

If you are placing an order, you may proceed with your order; the account price will be applied if it is lower than the
list price. If the problem persists, please call customer service at   or send an
email to 

Waste Electrical and Electronic Equipment ("WEEE Directive")

This product contains electrical or electronic material. Learn more about Bio-Rad's EU Recycle Program

Waste Electrical and Electronic Equipment ("WEEE Directive")

This product contains electrical or electronic material. Learn more about Bio-Rad's EU Recycle Program

Waste Electrical and Electronic Equipment ("WEEE Directive")

This product contains electrical or electronic material. Learn more about Bio-Rad's EU Recycle Program

Waste Electrical and Electronic Equipment ("WEEE Directive")

This product contains electrical or electronic material. Learn more about Bio-Rad's EU Recycle Program

Waste Electrical and Electronic Equipment ("WEEE Directive")

This product contains electrical or electronic material. Learn more about Bio-Rad's EU Recycle Program

RAPID'E.coli 2 Agar Kit for Water Testing

3555296
Kit contains 6 bottles of agar broth (100 ml each), 6 vials of lyophilized selective supplement

List Price:
 
$78.00
LoadingLoading...
Your Price:
 

Communication error

Reload Page

Your Price:   Log in
Quantity:   Add to Cart
Add to Hot List   Add to Quote
RAPID'E.Coli 2 Supplement
RAPID'E.coli 2 Supplement

3555298
Pkg of 6, vials of lyophilized selective supplement, sufficient for 6 x 100 ml of agar

List Price:
 
$73.00
LoadingLoading...
Your Price:
 

Communication error

Reload Page

Your Price:   Log in
Quantity:   Add to Cart
Add to Hot List   Add to Quote
RAPID'E.coli 2 Agar Plates for Water Testing

3563982
Pkg of 20, 55 mm agar plates, containing selective supplement

List Price:
 
$41.00
LoadingLoading...
Your Price:
 

Communication error

Reload Page

Your Price:   Log in
Quantity:   Add to Cart
Add to Hot List   Add to Quote
RAPID'E.coli 2 Agar, dehydrated #356-4024
RAPID'E.coli 2 Agar, dehydrated

3564024
Pkg of 1, 500 g of dehydrated agar broth, enough for 13.5 L of medium

List Price:
 
$400.00
LoadingLoading...
Your Price:
 

Communication error

Reload Page

Your Price:   Log in
Quantity:   Add to Cart
Add to Hot List   Add to Quote
RAPID'E.coli 2 Agar, ready to use #355-5299
RAPID'E.coli 2 Agar, ready to use

3555299
Pkg of 6, 100 ml bottles

List Price:
 
$38.00
LoadingLoading...
Your Price:
 

Communication error

Reload Page

Your Price:   Log in
Quantity:   Add to Cart
Add to Hot List   Add to Quote
Number Description Options
TS_REC2water_en RAPID'E.coli 2 Agar, Technical Sheet, V4 Click to download
TS_REC2waterSup_en RAPID'E.coli 2 Technical Sheet Supplement, V5 Click to download
FSD_17932 Water Safety Booklet - Guide for Products in Water Testing Click to download