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Original Articles

Selective Complexation of Hg2+ by Biscalix[4]arene Nitriles

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Pages 1247-1256 | Received 08 Jul 1999, Published online: 15 Feb 2007
 

Abstract

Ionophoric biscalix[4]arenyl nitriles in which the lower rims are linked via a single site on each calixarene were synthesized. Their complexing abilities were studied by the liquid–liquid extraction of alkali (Li+, Na+, K+, and Cs+) and selected transition metal (Cu2+, Co2+, Cd2+, Ni2+, and Hg2+) cations. We found a novel selectivity of these compounds toward Hg+2 cations through examination of the extraction.

Acknowledgments

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