阿Q吧 > 用EDTA测水的硬度时，那些离子的存在有干扰？如何消除？

用EDTA测水的硬度时，那些离子的存在有干扰？如何消除？

2025-03-16 10:19:41
推荐回答（1个）
回答1：

三价铁离子，铜离子等;三价铁离子的去除：在酸性溶液中加入三乙醇胺。

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