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Reference type: Journal
Authors: Abu-Dalo MA, Salam AA, Nassory NS
Article Title: Ion Imprinted Polymer Based Electrochemical Sensor for Environmental Monitoring of Copper(II).
Publication date: 2015
Journal: International Journal of Electrochemical Science
Volume: 10
Page numbers: 6780-6793.
Alternative URL: http://www.electrochemsci.org/papers/vol10/100806780.pdf

Abstract: Plasticized membranes using copper-carboxybenzotriazole have been prepared and explored as Cu2+-selective electrochemical sensors. Effects of three different plasticizers: bis(2-ethylhexyl)sebacate (BEHS), dibutylphthalate (DBP) and Dioctylphthalate (DOP) were studied, optimized and evaluated. Optimum performance was observed with membrane having the following composition: PVC (61%): DBP (35%): IIP (4%). The optimized membrane was used for construction of liquid electrochemical sensor. The sensor was found to work satisfactorily in the concentration range between 1.0 x 10-1 - 1.0 x 10-5 M with a Nerstian slope value of about 28.1mV/decade. Wide pH range (3-8), fast response time (22s) and long lifetime (~2 months) indicate the potential of the proposed sensors in the determination of copper II ions in synthetic and wastewater samples with excellent recoveries (94%-109%). Potentiometric selectivity coefficient values were determined by separate solution method (SSM), and good selectivity for Cu2+ over most interfering ions was achieved.
Template and target information: copper ion, Cu(II)
Author keywords: ion imprinted polymer, Electrochemical sensor, Copper-carboxybenzotriazole, Environmental monitoring

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