Determination of iodide ions at poly(3-methylthiophene)-modified electrode by differential pulse stripping voltammetry |
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| Authors: | S Titretir G Erdo?du A E Karagözler |
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| Institution: | 1. Department of Chemistry, Faculty of Arts and Sciences, ?n?nü University, 44069, Malatya, Turkey
2. Department of Chemistry, Faculty of Arts and Sciences, Adnan Menderes University, 09010, Aydin, Turkey
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| Abstract: | A voltammetric electrode based on a poly(3-methylthiophene) (PMT) film for the differential pulse stripping voltammetric (DPSV)
determination of iodide was developed. Gold electrodes were first coated with PMT, and iodide was then doped into the polymer
film by electrochemical oxidation of iodide at 0.75 V. The effects of various electrochemical parameters, such as electroyte
type and its pH, deposition potential, deposition time, and precipitation time, were examined. Using DPSV, the PMT electrode
was found to be suitable for the measurement of iodide concentrations above 1 × 10−9 M.
The text was submitted by the authors in English. |
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