water extraction and alcohol precipitation

admin2016-04-01  36

问题 water extraction and alcohol precipitation

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答案alcohol extraction and water precipitation:醇提水沉法,系指先以适宜浓度的乙醇提取药材成分,将提取液回收乙醇后,再加适量水搅匀,静置沉淀后过滤除去提取液中杂质的方法。

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