Organic Solvent Effect, Thermodynamic Study and Synergism Behavior for Extraction Efficiency of Cobalt (II) Complex with 1-[2-Pyridyl Azo] -2-Naphthol. Global Journal of Science Frontier Research, [S. l.], v. 16, n. B1, p. 25–31, 2016. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/1724. Acesso em: 21 jan. 2026.