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为什么测量溶解氧时读数越来越小?


2015-04-02 来源:高品计量 浏览:382次
答:溶解氧的测量是一个耗氧过程,如果电极和溶液均静止不动,则氧气不断被消耗,显示值不断变小。
解决办法:对于静止溶液,可以用手匀速摇动探头或加磁力搅拌器。
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