CHAUDHARI, R.A.; SAWANT, A.D. Extraction and Spectrophotometric Determination of Cobalt. Asian Journal of Chemistry, [S. l.], v. 5, n. 1, p. 1–5, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/24741. Acesso em: 24 jul. 2024.