Chemical and mineral composition of coal-series kaolin and the possibility of kaolinite purification. Bulletin of the Institute of Chemistry and Chemical Technology, [S. l.], v. 13, n. 13, p. 7–16, 2025. DOI: 10.5564/bicct.v13i13.5217. Disponível em: https://www.mongoliajol.info/index.php/BICCT/article/view/5217. Acesso em: 27 jun. 2026.