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Abstract: A novel Hg(II) ion imprinted polymer (IIP) was synthesized by bulk polymerization using the Hg(II) ion as a template, 4-vinylpyridine (4-VP) as a monomer, 8-hydroxyquinoline as a specific ligand for Hg(II), and ethylene glycol dimethacrylate (EDMA) as a crosslinker. The Hg(II) IIP was systematically characterized by adsorption tests, FTIR spectroscopy, pore size analysis and SEM studies. Under the optimized condition, the maximum adsorption of Hg(II) IIP was 143.8 mg g-1, nearly three times higher than that of the non ion-imprinted polymer (NIP) (52.6 mg g-1). The synthesized Hg(II) IIP had a good selectivity for the Hg(II) ion compared with other ions. The trace amounts of Hg(II) in tap water and river water samples were measured by the sequential injection-vapor generation-atomic fluorescence spectrometry (SI-VG-AFS) in a linear range of 0.01-1 μg L-1, with the limit of detection (LOD) of 0.005 μg L-1
Template and target information: mercury ion, Hg(II)