ammonia is a compound of nitrogen and hydrogen with the formula nh 3.a stable binary hydride, and the simplest pnictogen hydride, ammonia is a colourless gas with a characteristic pungent smell. it is a common nitrogenous waste, particularly among aquatic organisms, and it contributes significantly to the nutritional needs of terrestrial organisms by serving as a precursor to food and fertilizers.
a drug test is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, and/or oral fluid/saliva—to determine the presence or absence of specified parent drugs or their metabolites.major applications of drug testing include detection of the presence of performance enhancing steroids in sport, employers and parole/probation officers screening for drugs .
sodium ethyl xanthate is an organosulfur compound with the chemical formula ch 3 ch 2 ocs 2 na. it is a pale yellow powder, which is usually obtained as the dihydrate. sodium ethyl xanthate is used in the mining industry as a flotation agent. a closely related potassium ethyl xanthate kex is obtained as the anhydrous salt.
amphetamine contracted from alpha-methylphenethylamine is a central nervous system cns stimulant that is used in the treatment of attention deficit hyperactivity disorder adhd , narcolepsy, and obesity. amphetamine was discovered in 1887 and exists as two enantiomers: levoamphetamine and dextroamphetamine.
to unpack that slogan somewhat, we are particularly interested in the new, post-wikidata collection of techniques that are flourishing under the wikimedia collaborative umbrella. to linked data, sparql queries and wikicite, add gamified participation, text mining and new holding areas, with bots, tech and humans working harmoniously.
wikipedia:wikiproject chemistry/lists of pages/chemistry articles . jump to navigation jump to search. all articles tagged with 'wikiproject chemistry' both main and talk pages articles-al-ane-ase-ene-ine-mer-oate-oic acid-ol-one-ose-oxo--yl-yne 1,2-wittig rearrangement 1,2-dipole 1,2-rearrangement 1,3,2,4-dithiadiphosphetane 2,4-disulfides 1,3-dipolar cycloaddition 1,3-dithiole 1,3-dipole 1 .
chemical nomenclature, replete as it is with compounds with complex names, is a repository for some names that may be considered unusual. a browse through the physical constants of organic compounds in the crc handbook of chemistry and physics a fundamental resource will reveal not just the whimsical work of chemists, but the sometimes peculiar compound names that occur as the consequence of .
the erythrocyte sedimentation rate esr or sed rate is the rate at which red blood cells in anticoagulated whole blood descend in a standardized tube over a period of one hour. it is a common hematology test, and is a non-specific measure of inflammation.
gasoline american english , or petrol british english , is a clear petroleum-derived flammable liquid that is used primarily as a fuel in most spark-ignited internal combustion engines. it consists mostly of organic compounds obtained by the fractional distillation of petroleum, enhanced with a variety of additives.
formation and structure. xanthate salts are produced by the reaction of an alkoxide salt with carbon disulfide. the reaction involves the attack of the alkoxide nucleophile on the electrophile cs 2.often the alkoxide is generated in situ by treating the alcohol with sodium or potassium hydroxide: . roh cs 2 koh rocs 2 k h 2 o. for example, sodium ethoxide gives sodium ethyl xanthate.
sodium metabisulfite or sodium pyrosulfite iupac spelling; br. e. sodium metabisulphite or sodium pyrosulphite is an inorganic compound of chemical formula na 2 s 2 o 5. the substance is sometimes referred to as disodium metabisulfite. it is used as a disinfectant, antioxidant, and preservative agent.
hydrogen peroxide is a chemical compound with the formula h 2 o 2.in its pure form, it is a very pale blue, clear liquid, slightly more viscous than water.hydrogen peroxide is the simplest peroxide a compound with an oxygen–oxygen single bond .it is used as an oxidizer, bleaching agent, and antiseptic.concentrated hydrogen peroxide, or 'high-test peroxide', is a reactive oxygen species and .
pine oil is an essential oil obtained by the steam distillation of stumps, needles, twigs and cones from a variety of species of pine, particularly pinus sylvestris.as of 1995, synthetic pine oil was the 'biggest single turpentine derivative.' synthetic pine oils accounted for 90% of sales as of 2000. in alternative medicine, it is said to be used in aromatherapy, as a scent in bath oils or .
wikipedia:wikiproject chemistry/lists of pages/chemistry all pages . jump to navigation jump to search. all pages and talk pages listed in category:wikiproject chemistry articles. not talk-al-ane-ase-ene-ine-mer-oate-oic acid-ol-one-ose-oxo--yl-yne 1,2-wittig rearrangement 1,2-dipole 1,2-rearrangement 1,3,2,4-dithiadiphosphetane 2,4-disulfides 1,3-dipolar cycloaddition 1,3-dithiole 1,3 .