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Authors: Wang ZQ, Shen YY, Wu GH, He CY
Article Title: Synthesis and Properties Study of Mercury Ion Imprinted Polymer.
Publication date: 2009
Journal: Chinese Journal of Analytical Chemistry
Volume: 37
Issue: (3)
Page numbers: 449-453.
Alternative URL: http://www.analchem.cn/file/upload/2009/03/29.pdf
Abstract: A new type of Hg2+ imprinted polymer was prepared by a double-imprinting approach for the selective separation of Hg2+ from aqueous solution. In the imprinting process, both mercury ions and surfactant micelles (cetyltrimethylammonium bromide) were used as templates, N-[3-(trimethoxy-silyl)propyl] ethylenedi-amine as functional monomer, and tetraethoxysilane as cross-linking agent. The mercury ions and surfactant were removed from polymer via acid leaching and ethanol extraction, respectively. The adsorption property and selective recognition ability of the polymer were studied by equilibrium-adsorption method. Results showed that in the presence of Cu2+ or Cd2+, the largest relative selectivity coefficient (k') of the ion-imprinted polymer was over 200, and the polymer could be used repeatedly
Template and target information: mercury ion, Hg2+
Author keywords: Moleculary imprinting, mercury analyzer, adsorption, Mercury ion
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