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Reference type: Journal
Authors: Alizadeh T, Ganjali MR, Nourozi P, Zare M, Hoseini M
Article Title: A carbon paste electrode impregnated with Cd2+ imprinted polymer as a new and high selective electrochemical sensor for determination of ultra-trace Cd2+ in water samples.
Publication date: 2011
Journal: Journal of Electroanalytical Chemistry
Volume: 657
Issue: (1-2)
Page numbers: 98-106.
DOI: 10.1016/j.jelechem.2011.03.029
Alternative URL: http://www.sciencedirect.com/science/article/pii/S1572665711001664

Abstract: A carbon paste electrode (CP) impregnated with Cd2+ ion imprinted polymer (IIP) was prepared and used for differential pulse voltammetry determination of Cd2+ in real samples. The IIP was prepared by using vinyl pyridine and quinaldic acid as functional monomer and complexing agent, respectively. Voltammetric response of the IIP-CP was considerably higher than that of the electrode modified with the non-imprinted polymer (NIP-CP), indicating properly functioning of the recognition sites of the IIP. Compared to the previously developed cadmium sensors, this sensor showed considerably better resistance against potential interfering agents such as Cu2+, Hg2+ and Pb2+. This sensor showed linear range of 1.0 x 10-9 - 5.0 x 10-7 M and detection limit of 5.2 x 10-10 M (S/N = 3)
Template and target information: cadmium ion, Cd(II)
Author keywords: Cd2+, imprinted polymer, differential pulse voltammetry, sensor


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