Extraction of cesium ions from aqueous solutions using calix[4]arene-bis(tert-octylbenzo-crown-6) in ionic liquids

被引：257

作者：

Luo, HM

Dai, S

Bonnesen, PV

Buchanan, AC

Holbrey, JD

Bridges, NJ

Rogers, RD

机构：

[1] Oak Ridge Natl Lab, Nucl Sci & Technol Div, Oak Ridge, TN 37831 USA

[2] Oak Ridge Natl Lab, Chem Sci Div, Oak Ridge, TN 37831 USA

[3] Univ Alabama, Dept Chem, Tuscaloosa, AL 35487 USA

[4] Univ Alabama, Ctr Green Mfg, Tuscaloosa, AL 35487 USA

来源：

ANALYTICAL CHEMISTRY | 2004年 / 76卷 / 11期

关键词：

D O I：

10.1021/ac049949k

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Solvent extraction of cesium ions from aqueous solution to hydrophobic ionic liquids without the introduction of an organophilic anion in the aqueous phase was demonstrated using calix[4]arene-bis(tert-octylbenzo-crown-6) (BOBCalixC6) as an extractant. The selectivity of this extraction process toward cesium ions and the use of a sacrificial cation exchanger (NaBPh4) to control loss of imidazolium cation to the aqueous solutions by ion exchange have been investigated.

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页码：3078 / 3083

页数：6

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