BEIRAGHI, ASADOLLAH; BABAEE, SAEED. Cloud Point Extraction Based on Binary Surfactants for Separation, Preconcentration and Spectrophotometric Determination of Beryllium with 1,8-Dihydroxy Anthrone. Asian Journal of Chemistry, [S. l.], v. 20, n. 3, p. 1999–2010, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/19189. Acesso em: 20 jul. 2024.