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问题详情

测定氨氮、化学需氧量的水样中加入HgCL2的作用是（）。

A、控制水中的PH值

B、防止生成沉淀

C、抑制苯酚菌的分解活动

D、抑制生物的氧化还原作用

时间：2021-07-17 23:50 关键词：水文与水资源工程专升本水化学及水质分析 2019级毕业清考（考试分） 2019级第三学期期末考试

答案解析

D

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