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Reference type: Journal
Authors: Wang ZQ, Wang M, Wu GH, Shen YY, He CY
Article Title: Ion imprinted sol-gel nanotubes membrane for selective separation of copper ion from aqueous solution.
Publication date: 2010
Journal: Microchimica Acta
Volume: 169
Issue: (1)
Page numbers: 195-200.
DOI: 10.1007/s00604-010-0332-2

Abstract: Abstract: Selective separation of Cu(II) ions from aqueous solution was accomplished with a new type of ion-imprinted silica nanotube membrane. A study on its capability for adsorption and selective recognition showed that best selectivity coefficient over Zn(II) ion was over 150, which is much higher than those of control silica nanotube membranes. The largest relative selectivity coefficient over Zn(II) was >200. The new membrane also possess a fast kinetics for the removal of Cu(II) from aqueous solution, an equilibrium period of <30 min, and suitability for repeated use. Hence, the new membrane acts as an effective material for highly selective preconcentration and separation of Cu(II) ion
Template and target information: copper ions, Cu(II)
Author keywords: copper ion, selective separation, surface imprinting, preconcentration

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