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甲烷气体要如何验纯

更新时间: 2020-08-17 00:00:00     

用小试管收集一管待验纯的甲烷,然后用拇指堵住试管口,倒放在酒精灯的火焰上,松开拇指,如果听到尖锐的爆鸣声,则说明甲烷不纯,如果听到“噗噗”声,则说明甲烷中纯净的。

关键词: 甲烷 气体 如何

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