Iron Determination by Colorimetric Method Using O-Phenanthroline . Bulletin of Pure and Applied Sciences-Chemistry , [S. l.], v. 38, n. 2, p. 171–175, 2019. DOI: 10.48165/. Disponível em: https://acspublisher.com/journals/index.php/bpaschem/article/view/9386.. Acesso em: 3 jul. 2024.