ELECTROCHEMICAL SENSOR BASED ON THE CARBON PASTE ELECTRODE MODIFIED WITH POLYMER FOR DETERMINATION OF COPPER IONS
Journal Title: WORLD JOURNAL PHARMACY AND PHARMACEUTICAL SCIENCE - Year 2019, Vol 8, Issue 4
Abstract
In this work, we have studied the performance of carbon past electrodes (CPE) coated with £ - caprolactone polymer composites was investigated as an electrochemical sensor in the determination of Cu2+ ions in a 0.1M NaCl solution. The presence of the polymer on the surface of the carbon paste electrode facilitates the analyte adsorption to the surface. It was found that the highest limit of quantification is obtained from the polymer-modified carbon paste electrode (polymer-CPE). The physical parameters that could influence the electrochemical response, such as the pH of the solution, the preconcentration time and the concentration of the solution containing the analyte, were studied. Under optimal conditions, all prepared electrodes showed a good linear response to Cu2+ in the concentration range of 0.627 mmol/L to 4.5 mmol/L.
Authors and Affiliations
Dr. Abdelilah Chtaini
Keywords
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