硫化氢(H_2S)为无色而带臭蛋味的有毒气体,易溶于水,比重为1.192。硫化氢产生于:①有机物的腐烂,硫化氢常沉积于地窖、腌渍池、粪池和下水道等处。②硫化矿物的水解,硫化矿尘爆炸与含硫煤层的自燃,一矿内旧巷涌水等。③石油工业提炼含硫石油时,如1950年11月24日墨西哥帕沙利卡市发 Hydrogen sulfide (H 2 S) is a colorless and stinky smell of toxic gases, soluble in water, the proportion of 1.192. Hydrogen sulfide produced in: ① organic decay, often deposited in the cellar of hydrogen sulfide, pickling ponds, septic tanks and sewers and other places. Â ’¢ sulfide minerals, hydrolysis, sulfide dust explosion and spontaneous combustion of sulfur-bearing coal seam, a mine old gushing water. ③ oil refining sulfur-containing oil, such as the November 24, 1950 in Pasali, Mexico city hair