Spectrophotometry was used to determine the content of EDTA in additives for Zn plating, and the test result with this method is similar to that with complex titration.
采用分光光度法测量镀锌添加剂中edta的含量，并与配位滴定法测得的同种样品中EDTA的含量接近。
Spectrophotometry was used to determine the content of EDTA in additives for Zn plating, and the test result with this method is similar to that with complex titration.
研究了用配位滴定分析方法测定聚醚多元醇用双金属催化剂中锌、铁含量的方法。
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