Rapid and sensitive electrochemical determination of phosphate ions using a multi-walled carbon nanotube carbon paste electrode: Original scientific paper. Journal of Electrochemical Science and Engineering, [S. l.], v. 16, 2026. DOI: 10.5599/jese.3261. Disponível em: https://pub.iapchem.org/ojs/index.php/JESE/article/view/3261. Acesso em: 22 may. 2026.