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History
Hydrogen sulfide
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Hydrogen sulfide is a chemical compound with the formula H2S. 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. Swedish chemist Carl Wilhelm Scheele is credited with having discovered the chemical composition of purified hydrogen sulfide in 1777.
Deposit of sulfur on a rock, caused by volcanic gas
Deposit of sulfur on a rock, caused by volcanic gas
Sludge from a pond; the black color is due to metal sulfides
Sludge from a pond; the black color is due to metal sulfides
A hydrogen sulfide bloom (green) stretching for about 150km along the coast of Namibia. As oxygen-poor water reaches the coast, bacteria in the organi
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.
Carl Wilhelm Scheele
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Carl Wilhelm Scheele was a Swedish German pharmaceutical chemist.
Engraving on the title page of Scheele's Chemical Treatise on Air and Fire (1777) (d. Königl. Schwed. Acad. d. Wissenschaft Mitgliedes, Chemische Abha
Engraving on the title page of Scheele's Chemical Treatise on Air and Fire (1777) (d. Königl. Schwed. Acad. d. Wissenschaft Mitgliedes, Chemische Abhandlung von der Luft und dem Feuer)
Pyrolusite or MnO2.
Pyrolusite or MnO2.
Chlorine gas.
Chlorine gas.
Statue of Scheele in Köping, Sweden.
Statue of Scheele in Köping, Sweden.