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白酒中掺糖如何检测
更新时间: 2020-07-11 00:00:00  

利用硫酸检测。

1、检测原理:白酒中的蔗糖与乙醇液作用,加入硫酸后,则两相界面产生紫色环;

2、所需试剂:15%乙醇溶液,浓硫酸;

3、操作方法:取酒样lmL,置于洁净的试管中,加入15%乙醇溶液2滴,摇匀,沿管壁缓缓加入浓硫酸lmL,如两相界面之间呈现紫色环,则说明含糖,正常白酒其界面应为黄色或无色。

关键词: 白酒 如何 检测

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