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022121 Koser Citrate Medium

CATEGORY :

Dehydrated Culture Media

USAGE :

For testing of bacteria citrate.

SPECIFICATION :

100g/bottle

CODE :

022121

  • DETAIL
  • MSDS
022121 Koser Citrate Medium
 
Usages:
For testing of bacteria citrate.
 
Principle:
Sodium ammonium hydrogen phosphate to provide nitrogen; dipotassium hydrogen phosphate as a buffer; magnesium ions in various metabolic cofactor; sodium salt of citric acid as carbon.
 
Formulation(per liter):
Sodium ammonium hydrogen phosphate (NaNH4PO4 • 4H2O) 1.5g
Dipotassium phosphate (K2HPO4) 1.0g
Magnesium sulfate (MgSO4 • 7H2O) 0.2g
Sodium citrate (Na3C6H5O7 • 2H2O) 3.0g
Final pH 6.7 ± 0.2
 
 
How to use:
1.Suspend 4.7g in 1 L of distilled water , stirring heated to boiling until completely dissolved, dispensing flask, 121 ℃ autoclave for 15min.
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.
 
Specifications: 100g/bottle