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Hydrogen sulfide is a chemical compound with the formula H 2 S.It is a colorless chalcogen-hydride gas, and is toxic, corrosive, and flammable, with trace amounts in ambient atmosphere having a characteristic foul odor of rotten eggs. [11]
Hydrogen sulfide (H2S) is a noxious gas characterized by its distinctive stench reminiscent of rotten eggs. [1] It goes by several colloquial names, including sewer gas, stink damp, swamp gas, and manure gas. [2] This gas naturally occurs in crude petroleum, natural gas, hot springs, and certain food items.
Precautionary statements are one of the key elements for the labelling of containers under the GHS, along with: [4] an identification of the product; one or more hazard pictograms (where necessary) a signal word – either Danger or Warning – where necessary; hazard statements, indicating the nature and degree of the risks posed by the product
Hydrogen sulfide production depends on various physicochemical, topographic, and hydraulic parameters [6] such as: Sewage oxygen concentration. The threshold is 0.1 mg/l; above this value, sulfides produced in sludge and sediments are oxidized by oxygen; below this value, sulfides are emitted in the gaseous phase. Temperature.
Hydrogen sulfide is also involved in the disease process of type 1 diabetes. The beta cells of the pancreas in type 1 diabetes produce an excess of the gas, leading to the death of these cells and to a reduced production of insulin by those that remain. [5] In 2005, it was shown that mice can be put into a state of suspended animation-like ...
The odor associated with flatus is due to hydrogen sulfide, skatole, indole, volatile amines, and short-chain fatty acids also produced by the bacteria. These substances are detectable by olfactory neurons in concentrations as low as 10 parts per billion, hydrogen sulfide being the most detectable. [14]
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