SHEIKH, R. E.; GOUDA, A. A.; MOSTAFA, A. H.; EL DIN, N. S. DEVELOPMENT OF EFFICIENT CLOUD POINT EXTRACTION METHOD FOR PRECONCENRATION AND SPECTROPHOTOMETRIC DETERMINATION OF NICKEL IN WATER SAMPLES USING 2-(BENZOTHIAZOLYLZAO)ORCINOL. International Journal of Pharmacy and Pharmaceutical Sciences, [S. l.], v. 7, n. 11, p. 176–184, 2015. Disponível em: https://journals.innovareacademics.in/index.php/ijpps/article/view/7302. Acesso em: 25 apr. 2024.