When the gas detector which you are carrying gives an H 2S alarm, you must leave the room or area where hydrogen sulfide is detected as soon as possible and you must reach an area with fresh air. What to do when you have come in contact with hydrogen sulfide
#HYDROGEN SULFIDE PORTABLE#
Gas detection with a personal H 2S detector, a personal multigas detector (which includes a H 2S sensor) or a portable multigas detector for tank measurement (which includes a H 2S sensor) is of great importance. Therefore it is necessary that the gas is detected at an early stage when working in hazardous environments. Hydrogen Sulfide is a dangerous gas that needs to be handled with care. Entering such a confined space without gas-free measurement is life-threatening. Because hydrogen sulfide is heavier than air it tends to accumulate at the bottom of poorly ventilated spaces such as sewers, sewage wells, pumping stations, ship’s cargo holds, silos, overflow wells, storage tanks, crawl spaces, manure cellars, slurry tanks, tanker trucks and many other situations. Hydrogen sulfide is formed during the rotting of many organic materials. Where is hydrogen sulfide predominantly found?
100 ppm: exposure to these levels can be life-threatening: this includes inability to breath, rapid unconsciousness, coma and death. Hydrogen sulfide is scentless at higher levels of concentration. After prolonged exposure, the smell will no longer be distinguishable. At lower concentrations, hydrogen sulfide will be met with the scent of rotten eggs. Hydrogen sulfide is dangerous for the body because it inhibits the respiration of cellular respiration which damages the central nervous system. Hydrogen sulfide is a dangerous gas for our bodies and can be lethal in high levels of exposure. Hydrogen sulfide is a gas that is poisonous, corrosive and highly flammable. Known by its foul smell of rotten eggs, hydrogen sulfide is a product of organic material which decays in the absence of oxygen. Abstract of survey article on H 2S as used by the body, by P.One of the gases that is commonly found in various industries and on ships is hydrogen sulfide, also known as H 2S. MSDS safety data sheet Archived at the Wayback Machine. National Pollutant Inventory - Hydrogen sulfide fact sheet Archived at the Wayback Machine. Concise International Chemical Assessment Document 53. International Chemical Safety Card 0165. "Hydrogen Sulfide", Committee on Medical and Biological Effects of Environmental Pollutants, University Park Press, 1979, Baltimore. 
↑ "Southern Natural Gas Company Tariff, General Terms and Conditions Section 3.1(b)". Ionisation Constants of Inorganic Acids and Bases in Aqueous Solution (2nd ed.). USA: National Center for Biotechnology Information. 
↑ "Hydrogen Sulfide - PubChem Public Chemical Database". The toxicity of H 2S is comparable with that of hydrogen cyanide. Hydrogen sulfide is considered a broad-spectrum poison, meaning that it can poison several different systems in the body, although the nervous system is most affected. Because it is heavier than air it tends to accumulate at the bottom of poorly ventilated spaces. Hydrogen sulfide is a highly toxic and flammable gas. Normal average concentration in clean air is about 0.0001-0.0002 ppm. Volcanoes and hot springs give off some H 2S, where it probably is made by the hydrolysis of sulfide minerals, i.e. There are various problems associated with hydrogen sulfide generation, such as toxicity, noxious odors, and the generation of corrosive. H 2 S gas is highly poisonous and highly corrosive in wastewater applications. Pipelines limit hydrogen sulfide to 3 grains per thousand cubic feet of natural gas. Hydrogen Sulfide (H 2 S) often is a colorless gas with a rotten egg odor, which is commonly referred to as ‘sewer gas’. But, sour natural gas must be cleaned before it can enter a long distance pipeline. Small amounts of hydrogen sulfide can be found in crude petroleum. Deposit of sulfur on a rock, caused by volcanic gases containing hydrogen sulfide
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