TAHER, M. W.; GUZAR, S. H. .; HANOON, H. D. Spectrophotometric determination of Co (II) in analytical sample using anew chromogenic reagent (PTMH). International journal of health sciences, [S. l.], v. 6, n. S8, p. 1082–1095, 2022. DOI: 10.53730/ijhs.v6nS8.9788. Disponível em: https://sciencescholar.us/journal/index.php/ijhs/article/view/9788. Acesso em: 10 may. 2026.