配方类型: |
DRUGS |
配方说明: |
Benzoyl Peroxide Acne Preparations (Solvent-Free) |
配方组成: |
Benzoyl Peroxide/5.0 Sodium Chloride/1.0 Aged (seven weeks @ 40 C) pH/4.6 Brookfield Visc., RVT, 20 rpm, cP/16,550 B: Deionized Water/70.0 Brookfield Yield Value/1,820 C: Sodium Hydroxide (18% sol'n.)/1.5 "Carbopol" 940/2.0 pH/4.6 A: Deionized Water/20.0 Brookfield Visc., RVT, 20 rpm, cP/17,400 Brookfield Yield Value/2,250 |
配制方法: |
Part A---Mull the ingredients together in the order listed until a smooth paste is obtained. Avoid excessive shear. Part B---Combine with Part A and stir moderately until uniform. Allow entrapped air to escape. Part C---Add sodium hydroxide. Stir slowly to minimize air entrapment. |
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