Extraction of strontium from calcium by sodium dicarbollylcobaltate and 15-crown-5 in a two-phase water-nitrobenzene system

被引：1

作者：

Vanura, P

Makrlík, E

机构：

[1] EV Praha, Prague 10000 10, Czech Republic

[2] Univ W Bohemia, Inst Interdisciplinary Studies, Plzen 30614, Czech Republic

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2002年 / 254卷 / 01期

关键词：

D O I：

10.1023/A:1020834724135

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A rapid extraction of trace amounts of strontium from calcium with a nitrobenzene solution of sodium dicarbollylcobaltate (NaDCC) in the presence of 15-crown-5 and the tetrasodium salt of ethylenediamine-N,N,N',N'-tetra-acetic acid (Na4L) in the aqueous phase was developed. The separation factor alpha(Sr/Ca) was approximately 10(5).

引用

页码：217 / 218

页数：2

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