Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5226681 | Tetrahedron | 2008 | 10 Pages |
Abstract
Di-ionizable calix[4]arene-1,2-crown-5 and -crown-6 ethers in the cone conformation exhibit selectivity for Ba2+ in competitive solvent extraction of alkaline earth metal cations and high extraction ability for Pb2+ and for Hg2+ in single species extraction.
Related Topics
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Authors
Chuqiao Tu, Kazimierz Surowiec, Jerzy Gega, David W. Purkiss, Richard A. Bartsch,