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Reference type: Journal
Authors: Shakerian F, Dadfarnia S, Shabani AMH
Article Title: Synthesis and application of nano-pore size ion imprinted polymer for solid phase extraction and determination of zinc in different matrices.
Publication date: 2012
Journal: Food Chemistry
Volume: 134
Issue: (1)
Page numbers: 488-493.
DOI: 10.1016/j.foodchem.2012.02.105
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0308814612002932

Abstract: A new Zn(II) ion imprinted polymer (IIP) has been synthesized. The imprinted Zn(II) ions were completely removed by leaching the IIP with HCl (6 mol L-1) and were characterized by FT-IR and SEM. The maximum sorption capacity of IIP for Zn(II) ions was found to be 2.73 mg g-1. Variables affecting the IIP solid phase extraction were optimized by MultiSimplex and univariable methods. Sample volumes of 60 and 250 mL resulted in a preconcentration factor of 28 and 118, respectively. Precision (n = 7) at 30 μg L-1 and 5 μg L-1 level for 60 and 250 mL samples were found to be 2.5% and 3.4%. With preconcentration of 60 and 250 mL of samples, detection limits of 1.02 μg L-1 and 0.48 μg L-1 were determined. The method was successfully applied to the determination of zinc in various natural water samples and cereal samples and certified references samples
Template and target information: zinc ions, Zn(II)
Author keywords: ion imprinted polymer, zinc, solid phase extraction, Cereal sample, flame atomic absorption spectrometry


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