Testing the content of sulphate with EDTA titration method can directly influence its precision because whether the capacity of barium mixed liquid of magnesium is added suitably.
用EDTA滴定法检测硫酸盐，钡镁混合液的加入量是否适当，直接影响到检测的精确度。
Zinc and cobalt content in zinc cobalt alloy plating bath are determined by the combined method of titration with EDTA and spectrophotometry.
采用EDTA滴定和分光光度相结合的方法测定碱性锌钴合金镀液中的锌、钴含量。
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。
Built up a kind of measurement method that is an EDTA direct titration, which USES reducing method to calculate the zinc ion content of the chlorophyll iron zinc derivatives.
建立了一种EDTA直接滴定，减量法计算叶绿素铁锌衍生物中锌离子含量的测定方法。
Method Bismuth and aluminum were detected by titration with EDTA.
方法采用乙二酸四醋酸二钠滴定方法测定铋离子和铝离子；
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。
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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