ISSA, Nureddin Ben; ELMAGHRABIE, Ali; BORAS, Emhamed. Determination of Cr (III) and Cr (VI) In Water by Selective Separation and Preconcentration on Hybrid Resin. Engineering And Technology Journal, [S. l.], v. 7, n. 4, p. 1213–1219, 2022. DOI: 10.47191/etj/v7i4.02. Disponível em: http://everant.org/index.php/etj/article/view/598. Acesso em: 22 jul. 2024.