| sulfur water | A water containing hydrogen sulfide or the metallic sulfides. (05 Mar 2000) |
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| sulfur-35 | A radioactive sulfur isotope; a beta emitter with a half-life of 87.2 days; used as a tracer in the study of metabolism of cysteine, cystine, methionine, etc.; also used to estimate, with labelled sulfate, extracellular fluid volumes. (05 Mar 2000) |
| sulfur-ferric ion oxidoreductase | <enzyme> From thiobacillus ferrooxidans; catalyses the production of sulfite and fe(2+) from elemental sulfur and fe(3+) Registry number: EC 1.8.99.- Synonym: sf oxidoreductase, sulfite-ferric ion oxidoreductase (26 Jun 1999) |
| sulfur-reducing bacteria | A group of gram-negative, anaerobic bacteria that is able to oxidise acetate completely to carbon dioxide using elemental sulfur as the electron acceptor. (12 Dec 1998) |
| sulfur-sulfur bond isomerases | <enzyme> Enzymes that catalyze the transposition of a sulfur-sulfur bond. Registry number: EC 5.3.4 (12 Dec 1998) |
| sulfurated lime | Used externally in the treatment of acne, scabies, and ringworm. Synonym: sulfurated lime. (05 Mar 2000) |
| sulfurated potash | A mixture composed chiefly of potassium polysulfides and potassium thiosulfate; used externally in scabies, acne, and psoriasis; used in the manufacture of "white lotion". Synonym: liver of sulfur. (05 Mar 2000) |
| sulfuret | A compound of sulfur in which the sulfur has a valence of -2; e.g., Na2S, HgS; also, a thioether (i.e., R-S-R', such as lanthionine). Synonym: sulfuret. (05 Mar 2000) |
| sulfureted hydrogen | <chemical> Hydrogen sulfide (h2s). A flammable, poisonous gas with a characteristic odour of rotten eggs. It is used in the manufacture of chemicals, in metallurgy, and as an analytical reagent. Chemical name: Hydrogen sulfide (H2S) (12 Dec 1998) |
| sulfuric acid | H2SO4;a colourless, nearly odourless, heavy, oily, corrosive liquid containing 96% of the absolute acid; used occasionally as a caustic. Synonym: oil of vitriol. (05 Mar 2000) |
| sulfuric acid esters | Organic esters of sulfuric acid. (12 Dec 1998) |
| sulfuric acids | Inorganic and organic derivatives of sulfuric acid (h2so4). The salts and esters of sulfuric acid are known as sulfates and sulfuric acid esters respectively. (12 Dec 1998) |
| sulfuric ether | CH3CH2OCH2CH3;a flammable, volatile organic solvent used in extraction procedures; formerly widely used as an inhalation anaesthetic; shortcomings include: irritating vapor, slow onset and prolonged recovery phase, explosion hazard. Synonym: ethyl ether, ethyl oxide, sulfuric ether. (05 Mar 2000) |
| sulfuric oxide | SO3;forms sulfuric acid, H2SO4, by its reaction with water. Synonym: sulfuric oxide. (05 Mar 2000) |
| sulfurous | Designating a sulfur compound in which sulfur has a valence of +4 as contrasted to sulfuric compounds in which sulfur has a valence of +6, or sulfides (-2). (05 Mar 2000) |
Synonyms :
Synonyms :
Synonyms :
Synonyms : Sulfonamide Mixtures, Mixtures, Sulfonamide
Synonyms :
| sulfur |
(S) Major element essential to the growth and vitality of African Violets. Sometimes referred to as a secondary element. Sulfur plays an important role in the synthesis of proteins and helps boost an African Violet's resistance to disease. In addition to its function in plant nutrition, sulfur is also used as an elemental pesticide to treat fungi.
출처: www.optimara.com/optimaraglossary/ste-sys.html
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| sulfur dioxide |
A toxic, irritating, colorless gas soluble in water, alcohol, and ether. Used as a chemical intermediate, in paper pulping and ore refining, and as a solvent.
출처: www.eia.doe.gov/oiaf/1605/95report/glossary.html
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| sulfur dioxide |
Sulfur dioxide (chemical formula SO 2 ) is an acrid-smelling gas that even at low concentrations irritates the membranes of the nose and respiratory system. It is thought to exacerbate many respiratory diseases, including asthma. Sulfur dioxide is produced whenever sulfur-containing compounds are burnt. Its commonest source in Australia is power-stations burning coal containing slight sulfur impurities.
출처: www.science.org.au/nova/007/007glo.htm
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| sulfite |
The dissolved form of sulfur dioxide.
출처: www.marylandwine.com/wineries/appreciation/glossar...
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| sulfur dioxide |
A pungent gas used in wine to inhibit wild yeast growth, to protect wine from air oxidation and to inhibit browning in juice and wine.
출처: www.marylandwine.com/wineries/appreciation/glossar...
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