Comparative study on batch adsorption of Pb2+, Cd2+ and Ni2+ onto corn cob charcoal and activated silica: Kinetic and Characterization studies. Communication In Physical Sciences, [S. l.], v. 13, n. 2, p. 223–245, 2026. Disponível em: https://journalcps.com/index.php/volumes/article/view/810. Acesso em: 9 jun. 2026.