hydrogen sulphide - ορισμός. Τι είναι το hydrogen sulphide
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Τι (ποιος) είναι hydrogen sulphide - ορισμός

CHEMICAL COMPOUND
Hydrogen sulphide; Hydrogen Sulphide; Sulphuretted hydrogen; Hydrosulfuric acid; Sulfane; Sulphane; Stink damp; Hydrosulphuric acid; Hepatic air; Stinkdamp; Hydrogen Sulfide; Sulfuretted hydrogen; Sulfur hydride; Sulfurated hydrogen; Rotten egg gas; Dihydrogen monosulfide; Dihydrogen sulfide; User:Kalothira/dihydrogen monosulfide; Sulfhydric acid; Draft:Rotten eggs smell; Hydrogen sulfide gas; H₂S; H2S
  • A hydrogen sulfide bloom (green) stretching for about 150km along the coast of Namibia. As oxygen-poor water reaches the coast, bacteria in the organic-matter rich sediment produce hydrogen sulfide which is toxic to fish.
  • [[Sludge]] from a pond; the black color is due to metal sulfides

hydrogen sulphide         
¦ noun Chemistry a colourless poisonous gas with a smell of bad eggs, made by the action of acids on sulphides. [H2S.]
sulphuretted hydrogen         
[?s?lfj?'r?t?d]
(US sulfureted)
¦ noun Chemistry archaic term for hydrogen sulphide.
hydrosulphuric acid         
Sulphuretted hydrogen.

Βικιπαίδεια

Hydrogen sulfide

Hydrogen sulfide is a chemical compound with the formula H
2
S
. It is a colorless chalcogen-hydride gas, and is poisonous, corrosive, and flammable, with trace amounts in ambient atmosphere having a characteristic foul odor of rotten eggs. The underground mine gas term for foul-smelling hydrogen sulfide-rich gas mixtures is stinkdamp. Swedish chemist Carl Wilhelm Scheele is credited with having discovered the chemical composition of purified hydrogen sulfide in 1777. The British English spelling of this compound is hydrogen sulphide, a spelling no longer recommended by the Royal Society of Chemistry or the International Union of Pure and Applied Chemistry.

Hydrogen sulfide is toxic to humans and most other animals by inhibiting cellular respiration in a manner similar to hydrogen cyanide. When it is inhaled or its salts are ingested in high amounts, damage to organs occurs rapidly with symptoms ranging from breathing difficulties to convulsions and death. Despite this, the human body produces small amounts of this sulfide and its mineral salts, and uses it as a signalling molecule.

Hydrogen sulfide is often produced from the microbial breakdown of organic matter in the absence of oxygen, such as in swamps and sewers; this process is commonly known as anaerobic digestion, which is done by sulfate-reducing microorganisms. It also occurs in volcanic gases, natural gas deposits, and sometimes in well-drawn water.

Παραδείγματα από το σώμα κειμένου για hydrogen sulphide
1. Hydrogen sulphide Experts who tested the substance said it appeared to contain hydrogen sulphide which could be deadly in high concentrations.
2. Experts say the waste contained poisonous, foul–smelling hydrogen sulphide.
3. "We have noticed an increase in hydrogen sulphide, indicating that pressure is decreasing," Bijaksana told Reuters.
4. The water contains mineral matters, hydrogen sulphide, metasilicic acid component, hydrogen carbonate ions and sodium ions.
5. The plume of smoke rising from the fire contained hydrogen sulphide, which smells like rotten eggs.