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Abstract: A copper ion imprinted polymer(Cu(II)-IIP) was prepared from methanol by precipitation polymerization using Cu2+-1,10-Phenanthroline complex with the mole ratio of 1:2 as template molecules, 4-vinyl pyridine as the functional monomer, ethyleneglycol dimethacrylate as the cross-linking agent in the composition of template molecules, functional monomer and cross-linking agent of 1:2:30(mole ratio). The maximum adsorption capability (Qmax) and imprinting factor (IF) of this imprinted polymer was calculated as 75.01 mg/g and 1.77 at room temperature and pH 5.0, and the adsorption process could achieve its equilibrium within 1h. The recovery and relative standard deviation (RSD) for the extraction of Cu2+ from the solution containing 5.0μg/mL Cu2+ by the solid phase extraction column prepared with the Cu(II)-IIP was 89.7% and 4.7% (n=5), respectively. The results showed that the Cu(II)-IIP prepared in this paper possessed a good prospect in the application as a solid phase extraction reagent for the analysis and determination of Cu(II).
Template and target information: copper ion, Cu(II)
Author keywords: Cu(II), Ion-imprinted polymer, precipitation polymerization, solid phase extraction