A sensitive and simple method for voltammetric analysis of Sudan I as an azo dye in food samples using a Fe3O4-ZIF-67/ionic liquid modified carbon paste electrode: Original scientific paper. J. Electrochem. Sci. Eng. [Internet]. 2022 Jan. 19 [cited 2026 May 16];12(1):165-73. Available from: https://pub.iapchem.org/ojs/index.php/JESE/article/view/1217