ATASHI, HOSSEIN, MEHDI SAHEBI-SHAHEMABADI, ARASH ARA, and BAHMAN SHIRZADI. 2010. “Kinetic and Mechanism of Oxidation of Hydrogen Sulfide Over Fe SiO2 Catalyst”. Asian Journal of Chemistry 22 (6):4356-62. https://asianpubs.org/index.php/ajchem/article/view/16806.