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Development of a Potentiometric EDTA Method for Determination of Molybdenum. Use of the Analysis for Molybdenite Concentrates

机译：电位EDTa法测定钼的研究进展。使用辉钼矿精矿分析

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Based on considerations of principles and experimental data, the interference of sulfate ions in potentiometric titration of EDTA with FeCl3 was confirmed. The method of back complexometric titration of molybdenum of Nonova and Gasheva was improved by replacing hydrazine sulfate with hydrazine hydrochloride for reduction of Mo(VI) to Mo(V). The method can be used for one to tenths of mg of molybdenum with 0.04 mg standard deviation. The specific method of determination of molybdenum in molybdenite concentrates is presented.

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作者
Khristova, R.; Vanmen, M.;
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年度 1986
页码 p.1-13
总页数 13
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Ethylenediaminetetraacetic acids; Molybdenum compounds; Potentiometric analysis; Reduction (Chemistry); Titration; Complex compounds; Hydrazines; Ion concentration; Iron chlorides; Sulfates;

机译：乙二胺四乙酸;钼化合物;电位分析;还原（化学）;滴定;络合物;肼;离子浓度;氯化铁;硫酸盐;

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Development of a Potentiometric EDTA Method for Determination of Molybdenum. Use of the Analysis for Molybdenite Concentrates

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