Agar Medium S (R-2 A Agar ) is used for heterotrophic plate count of treated potable water using longer incubation periods, in accordance with European Pharmacopoeia.
Ingredients | Gms / Litre |
Casein hydrolysate | 0.500 |
Yeast extract | 0.500 |
Proteose peptone | 0.500 |
Glucose | 0.500 |
Starch | 0.500 |
Dipotassium hydrogen phosphate | 0.300 |
Magnesium sulphate anhydrous | 0.024 |
Sodium pyruvate | 0.300 |
Agar | 15.000 |
Final pH ( at 25°C) 7.2±0.2 **Formula adjusted, standardized to suit performance parameters |
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