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用六亚甲基四胺和铜试剂联合分离法分离出锰等干扰离子,再用乙二胺四乙酸(EDTA)络合滴定法滴定氧化钙、氧化镁,方法简单,结果准确,解决了传统分析法对部分高锰试样中的钙镁分析不准确的问题。
Hexamethylenetetramine and copper reagent with the separation of the separation of manganese and other interfering ions, and then ethylenediaminetetraacetic acid (EDTA) complexometric titration of calcium oxide, magnesium oxide, the method is simple and accurate, to solve the traditional Analysis of the high manganese part of the sample analysis of calcium and magnesium inaccurate problem.