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为了防止空气中O2氧化I-,在间接碘量法中必须注意:()。
- A、溶液酸度不宜太高
- B、在暗处(避光)操作
- C、析出I2时及时用Na2S2O3标准溶液滴定
- D、滴定速度应适当加快些
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更多 “为了防止空气中O2氧化I-,在间接碘量法中必须注意:()。A、溶液酸度不宜太高B、在暗处(避光)操作C、析出I2时及时用Na2S2O3标准溶液滴定D、滴定速度应适当加快些” 相关考题
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