Determination of Iron (II) in some drugs as Vitamins based on Ion-Selective Electrode . International Journal of Multidisciplinary and Current Research, [S. l.], v. 6, n. 6, p. 1399–1403, 2018. DOI: 10.14741/ijmcr/v.6.6.17. Disponível em: https://ijmcr.com/index.php/ijmcr/article/view/06.06.17. Acesso em: 26 aug. 2026.