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Authors: Guo MM, Zhang DS, Fan XL, Yan F
Article Title: Preparation, characterization and adsorption properties of cadmium(II) ion imprinted silica gel sorbents.
Publication date: 2013
Journal: Journal of Functional Materials
Volume: 44
Issue: (6)
Page numbers: 800-804.
Abstract: A Cd2+-imprinted silica gel sorbent was prepared by surface imprinted method with Cd2+ as the template, 3-[2-(2-aminoethylamino)ethylamino]propyl-trimethoxysilane as the functional monomer, silica gel as the support, and epichlorohydrin as the cross-linking agent. The adsorption properties and selective recognition ability of the imprinted sorbent were studied by equilibrium-adsorption method. The results showed that the maximum static adsorption capacity of the imprinted sorbent was 30.8mg/g, the adsorption equilibrium could be reached in 20min, there was no influence of pH values in the range of 4-8 on the adsorption capacity of the imprinted sorbent, and the imprinted sorbent could be used repeatedly and indicated high selectivity for Cd2+ even in the presence of the other metal ions
Template and target information: Cadmium ion, Cd(II)
Author keywords: 3-[2-(2-aminoethylamino)ethylamino] propyl-trimethoxysilane, cadmium, Ion imprinted
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