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Abstract: New Cu(II)-imprinted poly(hydroxyethyl methacrylate-co-trimethylolpropane tri-methacrylate) copolymer gels (Cu-IIPs) were prepared by precipitation copolymerization for the selective solid phase extraction of Cu(II). The Cu-IIPs were characterized by elemental analysis, Fourier transform infrared spectroscopy, scanning electron microscopy and nitrogen physisorption. The effect of the porogen solvents acetonitrile, toluene and their mixtures on particle size and morphology was presented. The adsorption properties of the synthesized copolymers were determined using batch experiments. At optimal chemical parameters the Cu-IIPs show fast sorption/desorption kinetics, high selectivity and satisfied adsorption capacity for adsorption of Cu(II). Finally, the prepared in acetonitrile Cu-IIPs were successfully applied to the selective recognition and determination of copper ions in surface waters.
Template and target information: copper ion, Cu(II)
Author keywords: Cu(II)-imprinted copolymer microparticles, copper ions, solid phase extraction