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如何检验Fe2离子
更新时间: 2020-09-16 00:00:00  

检验方法如下:

1、如果确认是有亚铁离子,则颜色不同的溶液,可以从颜色去判断。

2、不确认有亚铁离子,则取少量溶液于试管中,滴入几滴硫氰化铁溶液,观察到没有颜色的变化后,再滴入几滴新制氯水后溶液变红色的,说明原溶液含有亚铁离子。

关键词: 如何 检验 fe2 离子

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