A simple gravimetric method for the determination of perchlorate

被引：4
作者：
Hefter, Glenn [1 ]
机构：
[1] Murdoch Univ, Dept Chem, Murdoch, WA 6150, Australia
来源：
MONATSHEFTE FUR CHEMIE | 2018年 / 149卷 / 02期
关键词：
Perchlorate; Analysis; Electrolytes; Ethanol; Solubility; TETRAPHENYLARSONIUM CHLORIDE; POTENTIOMETRIC TITRATION; ELECTRODE;
D O I：
10.1007/s00706-017-2102-x
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A simple, inexpensive, and accurate gravimetric procedure for the determination of the perchlorate ion (ClO4 (-)) is described. The method is based on the precipitation of potassium perchlorate, KClO4(s), from wet ethanol solution using potassium acetate in ethanol as the precipitant. The method is particularly suited to the analysis of the concentrated perchlorate solutions commonly used in physicochemical, electrochemical, and solubility studies. An accuracy of 0.1-0.2% was readily attainable providing the water content of the precipitating medium was <= 5 vol%. Solubility data for KClO4(s) in ethanol-rich mixtures with water are reported.
引用
收藏
页码：323 / 326
页数：4
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