配方类型:

DRUGS

配方说明:

配方组成:

original:
"carbopol" 940/0.50
pH/6.6
A) deionized water/13.50
brookfield visc, RTV, 20 rpm, cP/29,500
brookfield yield value/1,480
aged (seven weeks @ 40 C):
benzoyl peroxide/5.00
pH/6.6
brookfield visc, RTV, 20 rpm, cP/25,000
brookfield yield value/2,030
B) deionized water/80.00
sodium chloride/--
solvent-free
C) sodium hydroxide (18% sol'n)/0.75

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.