DM50021 | Brain Heart Infusion Agar

CAS Number

Formula

Weight

Usages:
For the confirmatory test of mineral water and urban water fecal streptococcus with filter method.
 
Principle:
 Peptone and brain - heart powder provide nitrogen, vitamins and growth factors; glucose can provide energy for a variety of bacteria; sodium chloride maintain osmotic equilibrium; disodium hydrogen phosphate as buffer.
 
Formulation(per liter):
Bovine brain (leaching extract powder) 200g
Beef heart (leaching extract powder) 250g
Glucose 2g
Sodium chloride 5g      
Peptone 10g
Disodium hydrogen phosphate 2.5g
Agar 15g
Final pH7.4 ± 0.2
 
 
How to use:
1.Suspend 51g 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.

Navigation

Copyright © 2019 ICON CHEMICAL. All Rights Reserved.