冻瘡膏的处方为樟腦3g,硼酸5g,鞋酸1g,甘油5g,加凡士林至100g。在此处方中,具主要治疗效果的为前三項,鞣酸較难測定,故只測定樟腦和硼酸的含量。 1.樟腦的含量测定——最初欲利用樟腦的揮發性,將冻瘡膏置蒸發皿中,在水浴上赶去樟腦,以冻瘡膏所失之重来計算樟腦的含量。但油膏中尚含有其 The prescription for the Chilblain Cream is camphor 3g, boric acid 5g, shoe acid 1g, glycerol 5g, plus vaseline to 100g. In this case, the first three main treatment effects, tannic acid is more difficult to determine, so only the determination of camphor and boric acid content. 1. Determination of camphor content - originally intended to utilize the volatile nature of camphor, the chilblain cream was placed in an evaporating dish and the camphor was driven off on a water bath. The content of camphor was calculated based on the amount of chilblain cream lost. But the ointment still contains it