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R2A-Agar

Ph.Eur., for microbiology
Pack Qty.
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 n ...
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€141.40/Pack Qty. 

excl. VAT. | 500 g per Pack Qty.

Art. No. CL01.1

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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).



Technical Information
Tested according to pharmacopoeia Ph.Eur.  
R2A-Agar
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CL01.1 500 g plastic €141.40
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Analysis certificates

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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

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