Synthesis, characterization and application of ion imprinted poly(vinylimidazole) for zinc ion extraction/preconcentration with faas determination

In this paper, we describe the synthesis of an ion imprinted polymer (IIP) by homogeneous polymerization and its use in solid-phase to extract and preconcentrate zinc ions. Under optimal conditions (pH 5.0, preconcentration flow rate of 12.0 mL min-1, and eluted with 1.0 mol L-1 HNO3) this procedure...

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Veröffentlicht in:	Química Nova 2014, Vol.37 (1), p.63-68
Hauptverfasser:	Santos, Queila O. dos, Bezerra, Marcos A., Lima, Giovana de Fátima, Diniz, Kristiany M., Segatelli, Mariana G., Germiniano, Talitha O., Santos, Vivian da Silva, Tarley, César R. T.
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Schlagworte:	adsorption CHEMISTRY, MULTIDISCIPLINARY ion imprinted polymer zinc
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creator	Santos, Queila O. dos Bezerra, Marcos A. Lima, Giovana de Fátima Diniz, Kristiany M. Segatelli, Mariana G. Germiniano, Talitha O. Santos, Vivian da Silva Tarley, César R. T.
description	In this paper, we describe the synthesis of an ion imprinted polymer (IIP) by homogeneous polymerization and its use in solid-phase to extract and preconcentrate zinc ions. Under optimal conditions (pH 5.0, preconcentration flow rate of 12.0 mL min-1, and eluted with 1.0 mol L-1 HNO3) this procedure allows the determination of zinc with an enrichment factor of 10.2, and with limits of detection and quantification of 1.5 and 5.0 µg L-1, respectively. The accuracy of our results was confirmed by analysis of tap water and certified reference materials: NIST 1570a (Spinach leaves) and NIST 1515 (Apple leaves).
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subjects	adsorption CHEMISTRY, MULTIDISCIPLINARY ion imprinted polymer zinc
title	Synthesis, characterization and application of ion imprinted poly(vinylimidazole) for zinc ion extraction/preconcentration with faas determination
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