配方类型:

DRUGS

配方说明:

配方组成:

original:
"carbopol" 940/2.00
pH/4.6
A) deionized water/20.0
brookfield visc, RTV, 20 rpm, cP/17.400
brookfield yield value/2,250
aged (seven weeks @ 40 C):
benzoyl peroxide/5.0
pH/4.6
brookfield visc, RTV, 20 rpm, cP/16,550
brookfield yield value/1,820
B) deionized water/70.0
sodium chloride/1.0
solvent-free
C) sodium hydroxide (18% sol'n)/1.5

配制方法:

part A-mull the ingredients togther in the order listed until a smooth paste jis obtained. avoid excessive shear. part B-combine with part A and stir moderarely until uniform. allow entrapped air to escape. part C-add sodium hydroxide, stir slowly to minimize air entrapment.