Technical Data Sheet
R2A-Agar
From Carl ROTH
acc. to Ph. Eur., for microbiology
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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
Transport temp. ambient temp.
WGK 1
Application: Use 18.1 g for 1 l agar.
For enumeration of heterotrophic bacteria from water samples.
For enumeration of heterotrophic bacteria from water samples.
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.
CHF 210.00/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).
R2A-Agar acc. to Ph. Eur., for microbiology
Composition corresponds to Ph. Eur.
Technical Information
| Verification of |
heterotrophic microorganisms Aspergillus brasiliensis Bacillus subtilis Candida albicans Clostridium sporogenes Pseudomonas aeruginosa Staphylococcus aureus |
| Application | Mesophilic aerobic non selective enumeration |
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R2A-Agar
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| Art. No. | Pack Qty. | Pack. | Price | Quantity | |
|---|---|---|---|---|---|
| CL01.1 | 500 g | plastic |
CHF 210.00 |
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Downloads / MSDS
Certificates of Analysis
Guarantee analysis
| Yeast extract | 0,5 g/l |
| Peptone | 0,5 g/l |
| Casein hydrolysed | 0,5 g/l |
| Glucose | 0,5 g/l |
| Starch | 0,5 g/l |
| di-Potassium hydrogen phosphate | 0,3 g/l |
| Magnesium sulphate (MgSO4) | 0,024 g/l |
| Sodium pyruvate | 0,3 g/l |
| Agar | 15 g/l |
| pH value | 7,2 ±0,2 |