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Reference type: Journal
Authors: Roushani M, Abbasi S, Khani H, Sahraei R
Article Title: Synthesis and application of ion-imprinted polymer nanoparticles for the extraction and preconcentration of zinc ions.
Publication date: 2015
Journal: Food Chemistry
Volume: 173
Page numbers: 266-273.
DOI: 10.1016/j.foodchem.2014.10.028
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0308814614015908

Abstract: A new Zinc (II) ion-imprinted polymer (IIPs) nanoparticles was synthesised for the separation and recovery of trace Zn (II) ion from food and water sample. Zn (II) IIP was prepared by copolymerisation of methyl methacrylate (monomer) and ethylene glycol dimethacrylate (cross-linker) in the presence of Zn (II)-N,N'-o-phenylene bis (salicylideneimine) ternary complex wherein Zn (II) ion is the imprint ion and is used to form the imprinted polymer. Moreover, control polymer (NIP) particles were similarly prepared without the zinc (II) ions. The unleached and leached IIP particles were characterised by X-ray diffraction, Fourier transform infra-red spectroscopy and scanning electron microscopy. The preconcentration of Zn2+ from aqueous solution was studied during rebinding with the leached IIP particles as a function of pH, the weight of the polymer material, the uptake and desorption times, the aqueous phase and the desorption volumes. Flame atomic absorption spectrometry was employed for determination of zinc in aqueous solution
Template and target information: zinc ion, Zn(II)
Author keywords: ion imprinted polymer, nanoparticles, zinc, preconcentration

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