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R2A-Agar, granulated

Ph. Eur., granulated, for microbiology
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Pack.
Agar medium S (Ph. Eur. 6.0), Reasoner's 2A Agar
Storage temp. +15 to +25 °C
Transport temp. ambient temp.
WGK 1

For enumeration of heterotrophic bacteria from water samples.
Application: Use 18.1 g for 1 l agar.

Nutritionally reduced medium. Incubation of water samples on R2A Agar often leads to higher colony numbers of micro organisms than found for rich media, particularly when incubation is performed at lower temperatures.
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€289.20/Pack Qty. 

excl. VAT. | 500 g per Pack Qty.

Art. No. 1523.1

In production
from 6 Pack Qty. €274.74/Pack Qty.
from 24 Pack Qty. €260.28/Pack Qty.

Product details


Nutritionally reduced medium. Incubation of water samples on R2A Agar often leads to higher colony numbers of micro organisms than found for rich media, particularly when incubation is performed at lower temperatures.


The medium was originally developed by Reasoner and Geldreich to determine the total germ number in drinking water (Reasoner and Geldreich, 1985, Appl. Environ. Microbiol. 49:1).



R2A-Agar, granulated Ph. Eur., granulated, for microbiology

Nutritionally reduced medium. Incubation of water samples on R2A Agar often leads to higher colony numbers of micro organisms than found for rich media, particularly when incubation is performed at lower temperatures.



Technical Information
Checked according to pharmacopoeia Ph. Eur. 
R2A-Agar, granulated
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1523.1 500 g plastic

€289.20

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Downloads / MSDS


Certificates of Analysis

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The following analysis certificates have been found:

Guarantee analysis

Yeast extract0,5 g/l
Peptone0,5 g/l
Casein hydrolysed0,5 g/l
Glucose0,5 g/l
Starch0,5 g/l
di-Potassium hydrogen phosphate0,3 g/l
Magnesium sulphate (MgSO4)0,024 g/l
Sodium pyruvate0,3 g/l
Agar15 g/l
pH value7,2 ±0,2