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二价铁溶液如何保存

更新时间: 2020-10-04 00:00:00     

方法如下:

1、在存放二价铁溶液的容器中加入少量铁粉,由于二价铁离子为浅绿色,三价铁离子为棕黄色,若发现二价铁溶液颜色有变化,可通过摇晃容器,使铁粉与其充分接触,将三价铁离子还原为二价铁离子。

2、若存放二价铁溶液为硫酸亚铁溶液,除以上方法外,还可以在容器中加入适量稀硫酸,同样可以使二价铁离子完备的保存好。

关键词: 溶液 如何 保存

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