SOLVENT-EXTRACTION SEPARATION OF CESIUM WITH DIBENZO-24-CROWN-8 FROM PICRATE SOLUTION

被引：14

作者：

VIBHUTE, RG ^{[1
]}

KHOPKAR, SM ^{[1
]}

机构：

[1] INDIAN INST TECHNOL,DEPT CHEM,BOMBAY 400076,INDIA

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES | 1991年 / 152卷 / 02期

关键词：

D O I：

10.1007/BF02104701

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Cesium (25-mu-g) was extracted with 0.03M DB-24-crown-8 at pH 3.0 from 0.01M picric acid in the presence of 2 ml methanol. It was stripped with 3M perchloric acid and was determined by atomic absorption spectrophotometry. The nature of the extracted species was 1:1:1. Dichloromethane was a suitable diluent. Nitric and perchloric acid were the best stripping agents. Cesium was not only separated from alkali and alkaline earth elements but also from zirconium, hafnium, thorium, usually present in fission products. The method is applicable for determination of cesium from real samples.

引用

页码：487 / 496

页数：10

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