NTULI, Themba D.; SIKEYI, Ludwe L.; MONGWE, Thomas H.; MKHARI, Orlette; COVILLE, Neil J.; NXUMALO, Edward N.; MAUBANE-NKADIMENG, Manoko S. From waste cooking oil to oxygen-rich onion-like nanocarbons for the removal of hexavalent chromium from aqueous solutions. South African Journal of Science, [S. l.], v. 119, n. 9/10, 2023. DOI: 10.17159/sajs.2023/14006. Disponível em: https://sajs.co.za/article/view/14006. Acesso em: 30 jun. 2024.