Extraction of Cu(II) from Sulfuric Acid by Macrocycle-Synergized Cation Exchange: Comparing a Novel Impregnated Resin with Its Solvent-Extraction Analog

Bruce A. Moyer; G. N. Case; Spiro D. Alexandratos; A. Amanda Kriger

doi:10.1021/ac00071a010

Extraction of Cu(II) from Sulfuric Acid by Macrocycle-Synergized Cation Exchange: Comparing a Novel Impregnated Resin with Its Solvent-Extraction Analog

Bruce A. Moyer, G. N. Case, Spiro D. Alexandratos, A. Amanda Kriger

Chemical Separations Group

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26 Scopus citations

Abstract

A novel extractive resin employing the tetradentate macrocyclic ionophore tetrathia-14-crown-4 (TT14C4) has been demonstrated via impregnation of strong-acid poly(styrene-divinylbenzene) cation-exchange beads. Following uptake of several weight percent TT14C4, the sulfonic acid resin exhibits a 10–100-fold enhancement in the cation-exchange extraction of Cu(II) as expressed by the Cu(II) distribution coefficient (D_Cu). Since extraction of Cu(II) by unfunctionalized poly(styrene-divinylbenzene) impregnated with TT14C4 was too low to be detectable, the enhancement in cation exchange may be attributed to a synergistic effect involving coordination of the Cu(II) by the mobile macrocycle and cation exchange by the immobile sulfonic acid groups. This is the first demonstration of synergism in a solvent-impregnated resin involving a functionalized support.

Original language	English
Pages (from-to)	3389-3395
Number of pages	7
Journal	Analytical Chemistry
Volume	65
Issue number	23
DOIs	https://doi.org/10.1021/ac00071a010
State	Published - Dec 1 1993

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title = "Extraction of Cu(II) from Sulfuric Acid by Macrocycle-Synergized Cation Exchange: Comparing a Novel Impregnated Resin with Its Solvent-Extraction Analog",

abstract = "A novel extractive resin employing the tetradentate macrocyclic ionophore tetrathia-14-crown-4 (TT14C4) has been demonstrated via impregnation of strong-acid poly(styrene-divinylbenzene) cation-exchange beads. Following uptake of several weight percent TT14C4, the sulfonic acid resin exhibits a 10–100-fold enhancement in the cation-exchange extraction of Cu(II) as expressed by the Cu(II) distribution coefficient (DCu). Since extraction of Cu(II) by unfunctionalized poly(styrene-divinylbenzene) impregnated with TT14C4 was too low to be detectable, the enhancement in cation exchange may be attributed to a synergistic effect involving coordination of the Cu(II) by the mobile macrocycle and cation exchange by the immobile sulfonic acid groups. This is the first demonstration of synergism in a solvent-impregnated resin involving a functionalized support.",

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year = "1993",

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T1 - Extraction of Cu(II) from Sulfuric Acid by Macrocycle-Synergized Cation Exchange

T2 - Comparing a Novel Impregnated Resin with Its Solvent-Extraction Analog

AU - Moyer, Bruce A.

AU - Case, G. N.

AU - Alexandratos, Spiro D.

AU - Kriger, A. Amanda

PY - 1993/12/1

Y1 - 1993/12/1

N2 - A novel extractive resin employing the tetradentate macrocyclic ionophore tetrathia-14-crown-4 (TT14C4) has been demonstrated via impregnation of strong-acid poly(styrene-divinylbenzene) cation-exchange beads. Following uptake of several weight percent TT14C4, the sulfonic acid resin exhibits a 10–100-fold enhancement in the cation-exchange extraction of Cu(II) as expressed by the Cu(II) distribution coefficient (DCu). Since extraction of Cu(II) by unfunctionalized poly(styrene-divinylbenzene) impregnated with TT14C4 was too low to be detectable, the enhancement in cation exchange may be attributed to a synergistic effect involving coordination of the Cu(II) by the mobile macrocycle and cation exchange by the immobile sulfonic acid groups. This is the first demonstration of synergism in a solvent-impregnated resin involving a functionalized support.

AB - A novel extractive resin employing the tetradentate macrocyclic ionophore tetrathia-14-crown-4 (TT14C4) has been demonstrated via impregnation of strong-acid poly(styrene-divinylbenzene) cation-exchange beads. Following uptake of several weight percent TT14C4, the sulfonic acid resin exhibits a 10–100-fold enhancement in the cation-exchange extraction of Cu(II) as expressed by the Cu(II) distribution coefficient (DCu). Since extraction of Cu(II) by unfunctionalized poly(styrene-divinylbenzene) impregnated with TT14C4 was too low to be detectable, the enhancement in cation exchange may be attributed to a synergistic effect involving coordination of the Cu(II) by the mobile macrocycle and cation exchange by the immobile sulfonic acid groups. This is the first demonstration of synergism in a solvent-impregnated resin involving a functionalized support.

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Extraction of Cu(II) from Sulfuric Acid by Macrocycle-Synergized Cation Exchange: Comparing a Novel Impregnated Resin with Its Solvent-Extraction Analog

Abstract

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