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Reference type: Journal
Authors: Ara B, Muhammad M, Salman M, Ahmad R, Islam N, Zia T
Article Title: Preparation of microspheric Fe(III)-ion imprinted polymer for selective solid phase extraction.
Publication date: 2018
Journal: Applied Water Science
Volume: 8
Issue: (1)
Page numbers: ArticleNo41.
DOI: 10.1007/s13201-018-0680-3

Abstract: In this research work, an Fe(III)-IIP was prepared using methacrylic acid as monomer, divinylbenzene as cross-linker, azobisisobutyronitrile as initiator. The ion imprinted polymer was functionalized with Fe(III)8-hydroxy quinolone complex under thermal conditions by copolymerization with the monomer and the cross-linker. The prepared Fe(III)-ion imprinted polymer (IIP) and non-ion imprinted polymer (Non-IIP) were characterized with fourier transform-infrared spectroscopy, scanning electron microscopic analysis and thermal gravimetric analysis. The polymer showed a good stability to thermal analysis up to a temperature of 500 C. The size of the polymer obtained was 1 μm, large enough to be filtered easily. At pH 2.5 more affinity was observed with ion imprinted polymer in comparison to non-ion imprinted polymer. For the kinetic study, the most linear and rhythmical relation were seen in pseudo second order. The maximum sorption capacity of Fe(III) ions on Fe(III)-IIP and non-IIP was 170 and 30.0 μmol g-1, respectively. The relative selectivity factor (αr) values of Fe(III)/Fe(II), Fe(III)/Al(III) and Fe(III)/Cr(III) were 151.0, 84.6 and 91.9, respectively. The preconcentration factor was found to be 240. The developed method was successfully applied to the determination of trace Fe in the drinking water
Template and target information: iron ion, ferric ion, Fe(III)
Author keywords: ion imprinted polymer, polymerization, Fe(III), methacrylic acid, 8-Hydroxyquinoline, divinylbenzene, Azobisisobutyronitrile

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