B976 

CETRIMIDE BROTH BASE

Formula

Ingredients 

gms/lit.

Peptic digest of animal tissue

Potassium sulphate,anhydrous 

Magnesium chloride,anhydrous 

Cetrimide 

20.00

10.00

1.40

0.50

Final pH (at 25°C) : 7.2 + 0.2

Directions 

Suspend 31.9 gms. in 1000 ml. distilled water. Heat to boiling to dissolve the medium completely. Sterilize by autoclaving at 15lbs pressure (121°C) for 15 minutes. Cool to 50°C and aseptically add 25ml filter sterilized ethanol. Mix well before dispensing.

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