To prevent indium hydrolysis and to ensure EDTA titration in acidic condition, the effect of seignette salt dose on indium solution of ITO waste material is studied.
为防止铟水解和保证EDTA滴定法能在酸性条件下进行滴定，分析铟靶材废料盐酸浸出液时酒石酸钾钠用量对铟含量测定的影响。
This Paper studies the reaction conditions of the Barium Sulphate and EDTA in ammonia water solution and proposes to use EDTA titration to determine sulphuric acid in Trinitro-resorcinol.
本文研究了硫酸钡在氨水溶液中与EDTA的反应条件，提出用EDTA滴定法测定三硝基间苯二酚中的硫酸。
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。
We can measure the contents of yttrium with EDTA standard solution titration.
用EDTA标准溶液滴定，可测得氧化钇的含量。
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。
METHODS By EDTA complex formation titration.
方法采用EDTA络合滴定法。
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。
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；
The content of total tannin was chosen as the assessment index, and the EDTA complexometric titration was used for the measurement.
方法：采用正交实验法对老鹳草总鞣质的提取工艺进行优选，以总鞣质含量为指标，用EDTA络合法滴定。
The content of total tannin was chosen as the assessment index, and the EDTA complexometric titration was used for the measurement.
方法：采用正交实验法对老鹳草总鞣质的提取工艺进行优选，以总鞣质含量为指标，用EDTA络合法滴定。
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