SEPARATION OF THORIUM, URANIUM AND PLUTONIUM BY NEUTRAL AND BASIC ORGANIC EXTRACTANTS

被引：6

作者：

BURCIK, I ^{[1
]}

MIKULAJ, V ^{[1
]}

机构：

[1] COMENIUS UNIV, FAC SCI, DEPT RADIOCHEM, CS-80100 BRATISLAVA, CZECHOSLOVAKIA

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES | 1991年 / 150卷 / 02期

关键词：

D O I：

10.1007/BF02035309

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Separation of thorium, uranium and plutonium by basic tertiary amine, Alamine-336 and neutral orgnophosphoric extractant tri-n-octylphosphinoxide in xylene and cyclohexane solutions has been investigated. According to results obtained, Alamine-336 was chosen for the extraction of atmospheric precipitation samples. Separation process with tri-n-octylphosphinoxide based extraction can lead to higher chemical yields, but according to our results reproducibility is worse due to incomplete back-extraction of elements from organic phase. Analysis of simulated 100 1 sample concentrate has shown significant effect of Ca2+, Fe3+ and Mn2+ ions concentration.

引用

页码：247 / 253

页数：7

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