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Sulfur (also spelled sulphur in British English) 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 molecules with the chemical formula S 8. Elemental sulfur is a bright yellow, crystalline solid at room temperature.
Chlorine, sulfur and carbon (as coal) are cheapest by mass. Hydrogen, nitrogen, oxygen and chlorine are cheapest by volume at atmospheric pressure. When there is no public data on the element in its pure form, price of a compound is used, per mass of element contained. This implicitly puts the value of compounds' other constituents, and the ...
Flowers of sulfur (British spelling flowers of sulphur) is a very fine, bright yellow sulfur powder that is produced by sublimation and deposition. It can contain up to 30% of the amorphous allotrope of sulfur, which is the noncrystalline structure of sulfur. [ 1 ]
Sulfur sticks are tools used in industrial ammonia refrigeration systems to detect minor ammonia leaks. A sulfur stick is made from a wick which contains particles of sulfur . The sulfur stick is lit and burns with an open flame, [ 1 ] and the color of the sulfur smoke is used to find the leak.
Mustard gas or sulfur mustard are names commonly used for the organosulfur chemical compound bis(2-chloroethyl) sulfide, which has the chemical structure S(CH 2 CH 2 Cl) 2, as well as other species. In the wider sense, compounds with the substituents −SCH 2 CH 2 X or −N(CH 2 CH 2 X) 2 are known as sulfur mustards or nitrogen mustards ...
Sulphur blocks of the Texas Gulf Sulphur Company in Newgulf, 1932. The Gulf Sulphur Company was formed on December 23, 1909, by a group of investors from St. Louis and Texas. [1] The company was formed to exploit the newly discovered sulfur deposit in the Big Hill salt dome near Matagorda, Texas, [3] using the Frasch process. With the Frasch ...
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The sulfur is recovered in the form of sulfuric acid. Sulfur recovery from smelters rose from 544,000 metric tons in 1970 to 1,403,000 tons in 1980, due to tightened air emissions standards. Sulfur recovery peaked in 1988 at 1,610,000 tons, then declined to 730,000 tons in 2014, coinciding with a decline in the U.S. metal smelting industry.
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