为什么水样直接以甲基橙为指示剂,用酸标准溶液滴定至终点,所得的碱度即为总碱度
为什么水样直接以甲基橙为指示剂,用酸标准溶液滴定至终点,所得的碱度即为总碱度
化学人气：573 ℃时间：2020-04-23 17:10:42
优质解答
水中还有二氧化碳,可能会产生误差,所以最好选择甲基橙
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