A potentiometric sensor for determining E133 dye in beverages
- Authors: Strelkova K.V.1, Varygina O.V.1, Chernova R.K.1
-
Affiliations:
- Chernyshevskii State University
- Issue: Vol 72, No 7 (2017)
- Pages: 777-782
- Section: Articles
- URL: https://journals.rcsi.science/1061-9348/article/view/182559
- DOI: https://doi.org/10.1134/S1061934817070139
- ID: 182559
Cite item
Abstract
An ion-selective potentiometric sensor with an ionophore is developed based on the ion associate of artificial food colorant E133 and a cetylpyridinium cation. The main electroanalytical parameters of the sensor are evaluated: linearity range of the response, pH effect, and the effect of temperature on the electrode performance and selectivity. The sensor is used to determine E133 in the Powerade beverage. The accuracy of the determination is confirmed by an extraction–photometric method.
About the authors
K. V. Strelkova
Chernyshevskii State University
Author for correspondence.
Email: varigini@mail.ru
Russian Federation, Saratov, 410012
O. V. Varygina
Chernyshevskii State University
Email: varigini@mail.ru
Russian Federation, Saratov, 410012
R. K. Chernova
Chernyshevskii State University
Email: varigini@mail.ru
Russian Federation, Saratov, 410012