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yhongsw

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qkhhje

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小木虫(金币+0.5):给个红包,谢谢回帖交流
opq691(金币+1): 感谢参与交流,欢迎常来分析版 2011-03-06 21:11:39
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Originally posted by yhongsw at 2011-03-01 10:35:54:
电位滴定法中的突变的概念
昨天用0.1MOL/L高氯酸滴定含量,电动势从开始未加入标液时-348,25ML时是-427,27ML---31.6ML(电动势是-607)就变化很小每1ML电动势才跳-1,32.6时才显示 -609,33.2ML时才显示-611, ...

最好 取多点 作图找突越点。
25ML时是-427,27ML---31.6ML(电动势是-607) 这中间我觉得已经到终点了。
2楼2011-03-01 12:13:39
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