CAS Number
Formula
Weight
Usages:
For the enumeration of coliform in water.
Principle:
Peptone, lactose provide carbon and nitrogen sources; yeast extract provides vitamins; sodium chloride to maintain osmotic equilibrium.
Formulation（per liter）:
Peptone 10g
Lactose 10g
Sodium chloride 5g
Ferric citrate 1g
Sodium citrate 1g
Dipotassium hydrogen phosphate 2g
Sodium desoxycholate 1g
Agar 15g
Neutral red 0.03g
Final pH 7.4 ± 0.2
How to use：
1.Suspend 45g in 1L of distilled water , stirring heated to boiling until completely dissolved, distribute into flask. Do not autoclave, cool to 50℃ and pour into sterile petri dishes.
2.Diluted and treated samples.
Storage: Keep container tightly closed, store in a cool, dry place, away from bright light. Storage period of 3 years.
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