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Reference type: Journal
Authors: Chen MX, Cao XQ, Yu ZY, Zhang G, Fan HT, Sun T
Article Title: Synthesis and adsorption behavior of Cd(II)-imprinted silica gel.
Publication date: 2012
Journal: Polymer Materials Science and Engineering
Volume: 28
Issue: (8)
Page numbers: 163-166.

Abstract: A ion-imprinted thiocyanato-functionalized silica gel sorbent was synthesized by the combination of surface imprinting technique with sol-gel process with Cd(II) as the template, 3-thiocyanatopropyltriethoxysilane as the functional monomer, and epichlorohydrin as the cross-linking agent for selective removal of Cd(II) from aqueous solution. The Cd(II)-imprinted thiocyanato-functionalized silica sorbent was characterized by FT-IR, SEM and the static adsorption-desorption experiment method. The results show that the imprinted sorbent offers a fast kinetics for the adsorption and desorption of Cd(II), has a substantial binding capacity in the range of pH 5.4~7.8 and can be used repeatedly. The static uptake capacity is 16.7 mg/g. The selectivity coefficient of imprinted sorbent is higher than that of the non-imprinted sorbent
Template and target information: cadmium ion, Cd(II)
Author keywords: 3-Thiocyanatopropyltriethoxysilane, Cadium, Ion imprinted, sol-gel

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