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. Journal of Electrochemical Science and Engineering, [S. l.], v. 12, n. 1, p. 165–173, 2022. DOI: 10.5599/jese.1217. Disponível em: https://pub.iapchem.org/ojs/index.php/JESE/article/view/1217. Acesso em: 16 may. 2026.