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介绍了对工业硅中铁铝成分分析中乙二胺四乙酸二钠(以下简称EDTA)和硫酸铜标准溶液配制方法的改进,改进后的方法缩短了标准溶液配制时间,减少了分析步骤,准确度不受影响。
This paper introduces the improvement of the preparation method of disodium ethylenediaminetetraacetate (hereinafter referred to as EDTA) and copper sulfate standard solution in the analysis of iron and aluminum in industrial silicon. The improved method shortens the preparation time of standard solution and reduces the analysis steps and the accuracy Not affected.