Fabrication of a sensitive electrochemical sensor based on CuS-modified carbon paste electrode for hydrazine analysis in water samples: Original scientific paper. Journal of Electrochemical Science and Engineering, [S. l.], v. 15, n. 6, 2025. DOI: 10.5599/jese.2832. Disponível em: https://pub.iapchem.org/ojs/index.php/JESE/article/view/2832. Acesso em: 6 jul. 2026.