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Q 铬蓝黑B用途是什么？

Question time：6/24/2021 9:09:19 AM

Describe：铬蓝黑B是做什么用的?哪里可以用到铬蓝黑B?

A
admin 2021-06-30 13:02
铬蓝黑B做络合滴定指示剂。使用时配成醇溶液或水溶液，用于测定钙、镁、锰、锌等金属离子，测定水硬度。

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