A TITRIMETRIC METHOD FOR THE SEQUENTIAL DETERMINATION OF THORIUM AND URANIUM

被引：0
|
作者：
CHANDER, K
HASILKAR, SP
JADHAV, AV
JAIN, HC
机构：
[1] Fuel Chemistry Division, B.A.R.C., Bombay
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES | 1993年 / 174卷 / 01期
关键词：
D O I：
10.1007/BF02040340
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A method for the sequential determination of thorium and uranium has been developed. In the sample solution containing thorium and uranium, thorium is first determined by complexometric titration with ethylenediaminetetraacetic acid (EDTA) and then in the same solution uranium is determined by redox titration employing potentiometry. As EDTA interferes in uranium determination giving positive bias, it is destroyed by fuming with HClO4 prior to the determination of uranium. A precision and accuracy of better than +/-0.15% is obtained for thorium at 10 mg level and uranium ranging from 5 mg to 20 mg in the aliquot.
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页码：127 / 132
页数：6
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