天气预报 > 其他 > 称量化学物品时为什么要叠称量纸
称量化学物品时为什么要叠称量纸
更新时间: 2020-07-12 00:00:00  

为了防止测量仪器被化学物品腐蚀。

称量化学物品常用的仪器是托盘天平,化学物品一般都具有一定的腐蚀性,称量时垫称量纸是为了防止天平被化学物品腐蚀,如果不垫称量纸,极易导致托盘天平被腐蚀,降低其精确度和准确性。

关键词: 称量 化学 物品 为什么

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