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Reference type: Journal
Authors: Roushani M, Beygi TM, Saedi Z
Article Title: Synthesis and application of ion-imprinted polymer for extraction and pre-concentration of iron ions in environmental water and food samples.
Publication date: 2016
Journal: Spectrochimica Acta Part A-Molecular and Biomolecular Spctroscopy
Volume: 153
Page numbers: 637-644.
DOI: 10.1016/j.saa.2015.09.029
Alternative URL: http://www.sciencedirect.com/science/article/pii/S1386142515302419

Abstract: In this work, a novel Fe(III) ion imprinted polymer as a sorbent for extraction of iron ions from different samples was synthesized. Precipitation of thermal copolymerization was used for preparation of polymeric sorbent. In this technique, methacrylic acid, ethylene glycoldimethacrylate, 2,2'-azobisisobutyronitrile and (DHBPT)2 {(DHBPT)2 = 3,6-bis (3,5-dimethyl-1-H-pyrzol-1-yl)-1,2-dihydro-1,2,4,5-tetrazine)} were used as monomer, cross-linker, initiator and ligand, respectively, in the presence of Fe(III) ions and ethanol as a porogenic solvent. Moreover, control polymer (NIP) particles were similarly prepared without the Fe(III) ions. XRD, FT-IR, SEM and nitrogen adsorption-desorption techniques have been used to characterization of these prepared polymeric samples. Iron ion imprinted polymer particles, abbreviated as Fe(III)-IIP, were leached with 50 mL of HCl (50% (v/v)). Absorption capacity for ion imprinted polymer was calculated about 40.41 mg g-1. Per-concentration of iron ion was investigated as a function of pH, weight of IIP, adsorption and desorption times, and volumes of sample. FAAS technique was used to determination of Fe(III) ion in the foods and waters samples
Template and target information: iron ions, ferric ion, Fe(III)
Author keywords: ion imprinted polymer, Fe(III), pre-concentration, Food samples

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