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15问答网 > 以重铬酸钾标准溶液滴定亚铁盐溶液时，能否采用邻二氮菲-亚铁作为指示剂

以重铬酸钾标准溶液滴定亚铁盐溶液时，能否采用邻二氮菲-亚铁作为指示剂

注意，是重铬酸钾标准溶液滴定亚铁盐溶液。

2025-03-31 23:47:13

推荐回答（1个）

回答1：

不能。除非用吸光光度法来确定滴定终点。
There are three indicators that may be used for the titration of Fe2+ with K2Cr2O7. These are diphenylamine, diphenylbenzidine and diphenylamine sulfonate.

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