A. AL-DOBOUNI, I. Purification of Mishraq Raw Sulphur from Bituminous Impurities by Thermal Treatment. A Comparison between Two Industrial Processing Approaches. Rafidain Journal of Science, [S. l.], v. 16, n. 7, p. 80–87, 2005. DOI: 10.33899/rjs.2005.42505. Disponível em: https://jamh.uomosul.edu.iq/index.php/rsci/article/view/47659. Acesso em: 29 sep. 2025.