Preconcentration and electroanalysis of silver at pt electrode modified with poly(2-aminothiazole) |
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| Authors: | Hakan Çiftçi Hasan Nur Testereci Zeki Öktem |
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| Institution: | 1. K?r?kkale Vocational High School, Department of Chemistry and Chemical Processing Technologies, K?r?kkale University, 71450, Yah?ihan, K?r?kkale, Turkey
2. Department of Chemistry, Faculty of Arts and Sciences, K?r?kkale University, 71450, Yahsihan, K?r?kkale, Turkey
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| Abstract: | Conducting poly(2-aminothiazole) (PAT) films were electrodeposited on a platinum disc electrode surface by constant potential electrolysis of 2-aminothiazole (AT) for the stripping voltammetric determination of Ag(I). Ag(I) was preconcentrated on the polymer matrix by dipping the modified Pt electrode (PAT-Pt electrode) into Ag(I)(aq) solution. Effects of the film thickness, reduction potential, pH, preconcentration time, Ag(I) concentration and the interference of some other metal ions on the oxidation peak current of silver were studied. Cu(II) interference observed to be significant for the stripping voltammetric determination of Ag(I). The detection limit was calculated on the basis of signal to noise ratio of 3 as 2 × 10?7 mol L?1. |
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