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Reference type: Journal
Authors: Hu SL, Xiong XD, Huang SY, Lai XQ
Article Title: Preparation of Pb(II) Ion Imprinted Polymer and Its Application as the Interface of an Electrochemical Sensor for Trace Lead Determination.
Publication date: 2016
Journal: Analytical Sciences
Volume: 32
Issue: (9)
Page numbers: 975-980.
DOI: 10.2116/analsci.32.975
Alternative URL: https://www.jstage.jst.go.jp/article/analsci/32/9/32_975/_article

Abstract: An ion imprinted polymer (IIP) was synthesized by using Pb(II) as a template, methacrylic acid as a monomer, 8-hydoxyquinoline as a ligand, ethylene glycol dimethacrylate (EGDMA) as a crosslinker, and azobisisobutyronitrile as initiator. It can be applied to prepare lead ion selective voltammetric sensor for Pb(II) adsorption and trace detection. The Pb(II)-IIP was characterized by FTIR spectra and SEM image. Under optimized conditions of polymerization, the Pb(II)-IIP showed good adsorption behavior toward Pb(II), with a magnitude of three times higher than that of the non imprinted polymer (NIP). Also, it exhibited a favorable selectivity for Pb(II), compared with other heavy metal ions of Hg(II), Cd(II), Cu(II), and a negligible adsorption to the other cations. The synthesized IIP was used to determine trace levels of Pb(II) in food and water samples, with a calibration linear range over Pb(II) concentrations of 0.05 - 60 μM and a limit of detection at 0.01 μM
Template and target information: lead ion, Pb(II)
Author keywords: Lead ion, imprinted polymer, Electrochemical sensor, differential pulse voltammetry


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