Voltammetric Determination of Carmoisine in Soft Drinks; Inorganic Materials; Vol. 53, iss. 14
| Parent link: | Inorganic Materials Vol. 53, iss. 14.— 2017.— [P. 1427–1431] |
|---|---|
| Ente Autore: | |
| Altri autori: | , , , , |
| Riassunto: | Title screen A voltammetric study of the electrochemical behavior of red food azo dye Carmoisine on a glassy carbon electrode (GCE) is performed. The influence of various factors on the cathode signal of the dye is shown: pH and values of accumulation time and potential sweep rate. The operating conditions of Carmoisine identification in model media are selected: pH = 1.65, E acc = –0.1 V, t acc = 10 s, W = 100 mV/s. A linear dependence of the electrolytic reduction current of the dye on its concentration at –0.15 V is observed within 0.05–0.5 mg/L; detection limit of Carmoisine is 0.02 mg/L. A comparative determination of Carmoisine in soft drinks is performed by voltammetric and spectrophotometric methods. Режим доступа: по договору с организацией-держателем ресурса |
| Lingua: | inglese |
| Pubblicazione: |
2017
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| Soggetti: | |
| Accesso online: | https://doi.org/10.1134/S0020168517140114 |
| Natura: | Elettronico Capitolo di libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=657733 |
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| 200 | 1 | |a Voltammetric Determination of Carmoisine in Soft Drinks |f O. I. Lipskikh [et al.] | |
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| 300 | |a Title screen | ||
| 320 | |a [References: p. 1431 (19 tit.)] | ||
| 330 | |a A voltammetric study of the electrochemical behavior of red food azo dye Carmoisine on a glassy carbon electrode (GCE) is performed. The influence of various factors on the cathode signal of the dye is shown: pH and values of accumulation time and potential sweep rate. The operating conditions of Carmoisine identification in model media are selected: pH = 1.65, E acc = –0.1 V, t acc = 10 s, W = 100 mV/s. A linear dependence of the electrolytic reduction current of the dye on its concentration at –0.15 V is observed within 0.05–0.5 mg/L; detection limit of Carmoisine is 0.02 mg/L. A comparative determination of Carmoisine in soft drinks is performed by voltammetric and spectrophotometric methods. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Inorganic Materials | ||
| 463 | |t Vol. 53, iss. 14 |v [P. 1427–1431] |d 2017 | ||
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| 701 | 1 | |a Lipskikh |b O. I. |c chemist |c engineer of Tomsk Polytechnic University |f 1984- |g Olga Ivanovna |3 (RuTPU)RU\TPU\pers\38489 | |
| 701 | 1 | |a Korotkova |b E. I. |c chemist |c Professor of Tomsk Polytechnic University, Doctor of chemical science |f 1965- |g Elena Ivanovna |3 (RuTPU)RU\TPU\pers\31278 |9 15456 | |
| 701 | 1 | |a Dorozhko |b E. V. |c chemist |c Engineer of Tomsk Polytechnic University |f 1979- |g Elena Vladimirovna |3 (RuTPU)RU\TPU\pers\32174 |9 16175 | |
| 701 | 1 | |a Derina |b K. V. |c chemist |c Associate Professor of Tomsk Polytechnic University, Candidate of chemical sciences |f 1989- |g Kseniya Vladimirovna |3 (RuTPU)RU\TPU\pers\33919 |9 17492 | |
| 701 | 1 | |a Voronova |b O. A. |c chemist |c Assistant of Tomsk Polytechnic University, Candidate of chemical sciences |f 1979- |g Olesya Aleksandrovna |3 (RuTPU)RU\TPU\pers\32169 |9 16170 | |
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