R2A Agar
R2A Agar is used for enumerating heterotrophic organisms in treated potable water, especially in treated potable water.
Principles Yeast extract provides a source of trace elements and vitamins. Peptone and casamino acids provide nitrogen, vitamins, amino acids, carbon and minerals. Dextrose serves as a carbon source. Soluble starch aids in the recovery of injured organisms by absorbing toxic metabolic by-products. Sodium pyruvate increases the recovery of stressed cells. Potassium phosphate is used to balance the pH and provide phosphate. Magnesium sulfate is a source of divalent cations and sulfate. Agar is the solidifying agent.
| Item No. | Brand Name | Mfr. Item No. | Size | Unit of Measure | Your Cost | Purchase |
|---|---|---|---|---|---|---|
|
R2A Agar
3097-50
|
Difco | 218263 | 500 gram | Each |
$224.05
|
|
|
R2A Agar
3116-22
|
Alpha Biosciences | R18-100 | 500 gram | Each |
$92.38
|