ELSHEIKH, R.; GOUDA, A. A.; ELSAYED, H. A.; ALAMIN, E. M. CLOUD POINT EXTRACTION, PRECONCENRATION AND SPECTROPHOTOMETRIC DETERMINATION OF COBALT IN WATER SAMPLES. International Journal of Pharmacy and Pharmaceutical Sciences, [S. l.], v. 7, n. 9, p. 213–221, 2015. Disponível em: https://journals.innovareacademics.in/index.php/ijpps/article/view/7235. Acesso em: 23 dec. 2024.