Preparation of magnetic chitosan/C@Fe3O4 composite for removal of Cu2+ và Pb2+ ion in aqueous solution. Vietnam Journal of Catalysis and Adsorption, [S. l.], v. 12, n. 3, p. 89–94, 2023. DOI: 10.51316/jca.2023.052. Disponível em: https://jca.edu.vn/index.php/jca/article/view/2023.052.. Acesso em: 28 jul. 2026.