R-2A Agar (Agar Medium S) BP

201180040500

R-2A Agar (Agar Medium S) is used for enumeration of heterotrophic bacteria in treated potable water in compliance with BP.

Composition* 

Ingredients
g/L
Yeast Extract
0.5
Proteose Peptone
0.5
Casein Hydrolysate
0.5
Glucose
0.5 
Starch
0.5
Dipotassium Hydrogen Phosphate
0.3
Magnesium Sulfate Anhydrous
0.024
Sodium Pyruvate
0.3
Agar
15.0
*Adjusted to suit performance parameters.

  Final pH (at 25°C): 7.2 ± 0.2

g/L: Suspend 18.12 g of the powder in 1000 mL purified / distilled water.

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