Attenuation of Hofmeister bias in ion-pair extraction by a disulfonamide anion host used in strikingly effective synergistic combination with a calix-crown Cs+ host.
A calix-crown/disulfonamide dual-host combination in 1,2-dichloroethane exhibits markedly enhanced ion-pair extraction of caesium salts, with the observed synergism following an anti-Hofmeister order.
Kavallieratos
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Chemical Separations Group, Chemical and Analytical Sciences Division, Oak Ridge National Laboratory, Bldg. 4500S/MS-6119, P.O. Box 2008, Oak Ridge, TN 37831-6119, USA.
Moyer
B A
BA