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对于一般药材（包括饮片），通过外观性状、显微、理化等鉴别就不难确其真伪，但对一些掺假药材，目前尚无统一的杂质检验标准。本文介绍几种药材杂质鉴定及定量方法，简单易行。１杂质鉴别１１掺面粉：面粉不溶于水，遇水浑浊，加热糊化，直火烧冒黑烟，有焦香气。药材...
For general medicine (including Pieces), through the appearance of characters, microscopic, physical and chemical identification is not difficult to determine its authenticity, but for some adulterated herbs, there is no uniform impurity testing standards. This article describes the identification of several herbs impurities and quantitative methods, simple and easy. 1 impurity identification 1 1 mixed flour: flour is not soluble in water, water turbidity, heat gelatinization, direct fire black smoke, coke aroma. Medicinal herbs ...