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Reference type: Journal
Authors: Gao BJ, Meng J, Xu Y, Zhang YQ
Article Title: Preparation of Fe(III) ion surface-imprinted material for removing Fe(III) impurity from lanthanide ion solutions.
Publication date: 2015
Journal: Journal of Industrial and Engineering Chemistry
Volume: 24
Page numbers: 351-358.
DOI: 10.1016/j.jiec.2014.12.023
Alternative URL: http://www.sciencedirect.com/science/article/pii/S1226086X14006923

Abstract: For the purification of lanthanide, Fe3+ ion surface-imprinted material was prepared with sodium p-styrenesulfonate (SSS) as functional monomer and using a novel ion surface-imprinting technique of "synchronously graft polymerizing and imprinting". In solution, the anionic monomers SSS are distributed around template Fe3+ ion by right of ion exchange action. The graft/cross-linking copolymerization of SSS and crosslinker N,N'-methylenebisacrylamide (MBA) on SiO2 particles was initiated by a surface initiating system, obtaining Fe3+ ion surface-imprinted material IIP-PSSS/SiO2. It possesses special recognition selectivity for Fe3+ ion, and its selectivity coefficients for Fe3+ ion are 5.77 relative to La3+ ion and 5.69 relative to Pr3+ ion, respectively
Template and target information: ferric ion, Fe(III)
Author keywords: Purification of lanthanide, Fe3+ ion, Surface initiating system, ion surface-imprinting, ion recognition

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