RUKMANGATHAN, M.; SANTHOSH KUMAR, V. Removal of Chromium(VI) from Water by Using Activated Carbon Obtained from Butter Oil Cake. Asian Journal of Chemistry, [S. l.], v. 21, n. 7, p. 5273–5276, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/18302. Acesso em: 23 jul. 2024.