Simultaneous voltammetric determination of Brilliant Blue FCF and Tartrazine for food quality control; Talanta; Vol. 218

Simultaneous voltammetric determination of Brilliant Blue FCF and Tartrazine for food quality control; Talanta; Vol. 218

Bibliografski detalji
Parent link:	Talanta Vol. 218.— 2020.— [121136, 7 p.]
Autori kompanije:	Национальный исследовательский Томский политехнический университет Исследовательская школа химических и биомедицинских технологий, Национальный исследовательский Томский политехнический университет Инженерная школа природных ресурсов Отделение химической инженерии
Daljnji autori:	Lipskikh O. I. Olga Ivanovna, Barek J. Jiri, Vyskocil V. Vlastimil, Saqib M. Muhammad, Khristunova E. P. Ekaterina Petrovna, Korotkova E. I. Elena Ivanovna
Sažetak:	Title screen Voltammetric determination of Tartrazine (Tz) and Brilliant Blue FCF (BB) in their mixture using novel type of carbon black-polyethylene composite electrode (CBPCE) with renewable surface modified by carbon ink (CI) was developed. Electrochemical properties of the tested dyes were investigated in 0.1 mol L?1 Britton-Robinson (BR) buffer by cyclic voltammetry (CV) and linear scan voltammetry (LSV). Simultaneous determination of the dyes is based on the application of supporting electrolytes with different pH: 2.0 for Tz and 10.0 for BB. Under the optimum experimental conditions, linear concentration dependences in the concentration ranges from 0.037 to 1.38 ?mol L?1 for Tz and from 0.025 to 2.52 ?mol L?1 for BB were obtained by LSV in the first-order derivative mode. Limits of detection (LODs) for Tz and BB were 0.019 and 0.011 ?mol L?1, respectively. The modified electrode showed good stability and reproducibility and was successfully applied for the determination of the mixture Tz and BB in a candy and soft drink products. Режим доступа: по договору с организацией-держателем ресурса
Jezik:	engleski
Izdano:	2020
Teme:	электронный ресурс труды учёных ТПУ modified electrode tartrazine brilliant blue FCF linear scan voltammetry модифицированные электроды тартразин вольтамперометрия
Online pristup:	https://doi.org/10.1016/j.talanta.2020.121136
Format:	Elektronički Poglavlje knjige
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=662511

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