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甲醇中的水怎样除去

更新时间: 2020-10-22 00:00:00     

具体方法如下:

由于甲醇与水不形成其沸混合物,所以可以采用蒸馏的方法除水,先蒸馏,再加入干燥剂,如无水乙醇铜,之后再充分过滤;如果是微量的水,可用分子筛,二氢化钙,镁除水;不可以用二氯化镁,三氯化铝,二氯化钙除水,因为会形成结晶状物质;问题即可解决。

关键词: 甲醇 怎样 除去

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