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本院长期以来所用乳膏基质处方为硬脂酸 130 ｇ、十六醇13ｇ、氢氧化钾 5 8ｇ、尼泊金乙酯 1ｇ、甘油 5 0ｍｌ、蒸馏水 10 0ｍｌ,属Ｏ/Ｗ型乳膏基质。在临床使用中发现该处方配制的基质放置时间较短、易失水、发粗。我们通过计算 ,发现该处方乳化剂硬脂酸钾的ＨＬＢ值为 2 0 ,
The hospital has long been used cream base prescription stearic acid 130 g, cetyl alcohol 13g, potassium hydroxide 5 8g, ethyl paraben 1g, glycerol 50ml, distilled water 10ml, is O / W cream base . Found in the clinical use of the preparation of the matrix preparation of a shorter time, easy to lose water, hair rough. We calculated that the prescribing emulsifier potassium stearate HLB value of 20,