Cloud Point Extraction, Preconcentration and Spectrophotometric Determination of Co (II) and Cu (II) using 15-Crown-5. Indian Journal of Forensic Medicine & Toxicology, [S. l.], v. 14, n. 2, p. 631–639, 2020. DOI: 10.37506/ijfmt.v14i2.2938. Disponível em: https://medicopublication.com/index.php/ijfmt/article/view/2938. Acesso em: 4 jun. 2026.