Extraction of Cesium Ions from Aqueous Solutions Using Calix[4]arene-bis(tert-octylbenzo-crown-6) in Ionic Liquids
Analytical Chemistry2004Vol. 76(11), pp. 3078–3083
Citations Over TimeTop 10% of 2004 papers
Huimin Luo, Sheng Dai, Peter V. Bonnesen, A. C. Buchanan, John D. Holbrey, Nicholas J. Bridges, Robin D. Rogers
Abstract
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 (NaBPh(4)) to control loss of imidazolium cation to the aqueous solutions by ion exchange have been investigated.
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