Sulfur trioxide
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Sulfur trioxide is the chemical compound with the formula SO3. It has been described as "unquestionably the most important sulfur oxide". It is produced industrially on a vast scale as a precursor to
An ampoule of sulfur trioxide
Sulfur
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Sulfur, also spelled as sulphur, is a chemical element; it has symbol S and atomic number 16. It is abundant, multivalent and nonmetallic. Under normal conditions, sulfur atoms form cyclic octatomic m
Sulfur trioxide
…dioxide to sulfur trioxide in air proceeds very slowly: Industrially SO3 is made by the contact process. Sulfur dioxide is produced by the burning of sulfur or iron pyrite (a sulfide ore of iron). After being purified by electrostatic precipitation, the SO2 is then oxidised by atmospheric oxygen at between…
Sulfur El Desierto mine, San Pablo de Napa, Daniel Campos Province, Potosí, Bolivia
Sulfur vat from which railroad cars are loaded, Freeport Sulphur Co., Hoskins Mound, Texas (1943)
Most of the yellow and orange hues of Io are due to elemental sulfur and sulfur compounds deposited by active volcanoes.
Sulfur extraction, East Java