Authors: dos Santos QO
, Bezerra MA
, Lima GdF
, Diniz KM
, Segatelli MG
, Germiniano TO
, Santos VdS
, Tarley CRT
Synthesis, characterization and application of ion imprinted poly(vinylimidazole) for zinc ion extraction/preconcentration with FAAS determination.
Publication date: 2014
Journal: Quimica Nova
Alternative URL: http://quimicanova.sbq.org.br/qn/qnol/2014/vol37n1/12-AR13265.pdf
Abstract: 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).
Template and target information: zinc ion, ZN(II)
Author keywords: ion imprinted polymer, zinc, adsorption
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