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Reference type: Journal
Authors: Khajeh M, Sanchooli E
Article Title: A pre-concentration procedure employing a new imprinted polymer for the determination of copper in water.
Publication date: 2011
Journal: International Journal of Environmental Analytical Chemistry
Volume: 91
Issue: (13)
Page numbers: 1310-1319.
DOI: 10.1080/03067310903020334

Abstract: This work describes the development by response surface methodology (RSM) of a procedure for copper determination by inductively coupled plasma optical emission spectrometry (ICP OES) in water samples after extraction by copper imprinted polymer. Results of the two-level full factorial design (24) based on an analysis of variance demonstrated that only the solution pH; amount of polymer and adsorption time were statistically significant. Optimal conditions for the extraction of copper samples were obtained by using Box-Behnken design. Solution pH; amount of polymer and adsorption time were regarded as factors in the optimisation study. The working conditions were 4.6, 0.03 g and 3.5 h, for solution pH, amount of polymer; and adsorption time, respectively. Under the optimised experimental conditions, the detection limit of the proposed method followed by ICP OES was found to be 0.8 μg L-1. The relative standard deviation (RSD) was found to less than 0.81%. The pre-concentration factor was 22.5. The accuracy of the optimised procedure was evaluated by analysis of certified reference material. The method was applied to the determination of copper in water samples.
Template and target information: copper ion, Cu(II)
Author keywords: Box-Behnken design, copper, imprinted polymer, water samples

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