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see sulfursulfur
or sulphur
, nonmetallic chemical element; symbol S; at. no. 16; interval in which at. wt. ranges 32.059–32.076; m.p. 112.8°C; (rhombic), 119.0°C; (monoclinic), about 120°C; (amorphous); b.p. 444.674°C;; sp. gr. at 20°C;, 2.07 (rhombic), 1.
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city (1990 pop. 20,125), Calcasieu parish, SW La.; inc. 1914. It is a trade center for an area producing natural gas, oil, and timber as well as sorghum, soybeans, cattle, and crawfish. Industry centers chiefly around petroleum products, chemicals, and related enterprises. Engines, concrete products, machinery, and lumber are also manufactured. The city was named for a sulfur dome that was mined from 1894 to 1924. In 1924 oil was discovered nearby.
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(US), sulfur
a. an allotropic nonmetallic element, occurring free in volcanic regions and in combined state in gypsum, pyrite, and galena. The stable yellow rhombic form converts on heating to monoclinic needles. It is used in the production of sulphuric acid, in the vulcanization of rubber, and in fungicides. Symbol: S; atomic no.: 16; atomic wt.: 32.066; valency: 2, 4, or 6; relative density: 2.07 (rhombic), 1.957 (monoclinic); melting pt.: 115.22°C (rhombic), 119.0°C (monoclinic); boiling pt.: 444.674°C
b. (as modifier): sulphur springs
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
Adele Bellis, 26, who was seriously injured in an acid attack in 2014, said: "The new rules announced last week are great, but the Government must not forget sulphuric acid is not the only substance used in these horrific attacks.
Crime Minister Victoria Atkins said: "Acid attacks are utterly appalling crimes and we are determined to put a stop to them."Sulphuric acid can be a very dangerous substance.
Sulphuric Fire Fishing, an important industrial and cultural heritage of Jinshan, is still continuing on local waters during summer.
She viewed 82 websites about sulphuric acid - including post-mortem images - and came up with her defence based on a court case of a man accused of tricking his partner into drinking it.
For the maximum recovery of zinc, an acid leaching step is required in which sulphuric or hydrochloric acid liquors can be used.
"It is believed at this time that the lorry is carrying 20 containers, each holding 1,440 litres of sulphuric acid and that one of these containers has split and is leaking out of the lorry on to the roadway.
The five Emirati men allegedly attacked their countryman victim with knives, swords, cleavers, and a shovel and poured sulphuric acid on him, killing him in front of the brothers' house in Al Warqa'a in March 2015.
Currently, Boliden Harjavalta operates two acid plants which produce sulphuric acid and liquid sulphur dioxide from smelter off-gases formed in the copper and nickel smelting processes.
India-based aerospace manufacturing firm Aequs and Magellan Aerospace's Bangalore-based Aerospace Processing India joint venture is India's first company to have Tartaric Sulphuric Acid anodising line approved by European airframer Airbus the firms said.
Application of Sulphuric acid instead of Gypsum would give better results in case the land is partially affected by salinity and water logging.
"They were decontaminated in a shower and have been transported to a local medical facility."Lacey Friedman, a Contra Costa County hazardous materials specialist, said in a telephone interview that one of the workers has been released while the second remains in a hospital under observation.An initial description of the accident released by the Contra Costa County Hazardous Materials Programme said one of the workers was "saturated" by the acid.On February 12, an alkylation unit involved in gasoline production was shut at the 166,000-barrel-per-day (bpd) Martinez refinery after a sulphuric acid release injured two workers.
Research Sohsuke Ohno of the Planetary Exploration Research Centre, Chiba, has developed this theory by claiming that the mass extinction of sea creatures in the upper ocean, as well as swimmers and drifters in lakes and rivers, can be explained by the sulphuric properties of the asteroid, which killed off 80 percent of life on Earth 65.5million years ago, the Independent reported.