Adsorption of Chromium(VI) and Zinc(II) Ions on the Skin of Orange Peels (Citrus sinensis). Journal of Nepal Chemical Society, [S. l.], v. 26, p. 31–39, 2010. DOI: 10.3126/jncs.v26i0.3628. Disponível em: https://nepjol.info/index.php/JNCS/article/view/3628. Acesso em: 8 jul. 2026.