New potentiometric electrode based on ion pair complex for determination of tropicamide in pure and pharmaceutical formulations. Journal of Electrochemical Science and Engineering, [S. l.], v. 6, n. 4, p. 277–286, 2016. DOI: 10.5599/jese.321. Disponível em: https://pub.iapchem.org/ojs/index.php/JESE/article/view/321. Acesso em: 26 oct. 2025.