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南拥夏

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[求助] 如何用滴定法测定亚铁离子含量 已有1人参与

如何用滴定法测定镀液中(硫酸亚铁为主盐)亚铁离子含量

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liucheng200883

至尊木虫 (著名写手)

帝

【答案】应助回帖

感谢参与,应助指数 +1
先将溶液酸化,用高锰酸钾滴定,出现紫色滴定结束
5Fe(2+)+MnO4(-)+8H(+)===5Fe(3+)+Mn(2+)+4H2O

参考以下资料
http://www.doc88.com/p-54559169678.html
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2楼2017-10-20 15:43:54
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