ion exchange resin

  • 51pharmaceutical industry — Producers of pharmaceuticals, substances used in the diagnosis, treatment, and prevention of disease and the modification of organic functions. The earliest records of medicinal plants and minerals are those of the ancient Chinese, Hindu, and… …

    Universalium

  • 52Acid mine drainage — Yellow boy in a stream receiving acid drainage from surface coal mining. Acid mine drainage (AMD), or acid rock drainage (ARD), refers to the outflow of acidic water from (usually abandoned) metal mines or coal mines. However, other areas where… …

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  • 53Chelex 100 — is a chelating material from Bio Rad[1] used to purify other compounds via ion exchange. It is noteworthy for its ability to bind transition metal ions. It is a styrene divinylbenzene co polymer containing iminodiacetic acid groups. A… …

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  • 54petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …

    Universalium

  • 55Polish heroin — Polish heroin, also known as compote , is a crude, addictive opiate drug used mainly in Eastern Europe prior to the dissolution of the Soviet Union and the end of communist control of the countries of the Warsaw Pact or Eastern Bloc.The use of… …

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  • 56alkali metal — Chem. any of the group of univalent metals including potassium, sodium, lithium, rubidium, cesium, and francium, whose hydroxides are alkalis. [1880 85] * * * Any of the six chemical elements in the leftmost group of the periodic table (lithium,… …

    Universalium

  • 57Cholestyramine — Clinical data Trade names Questran AHFS/Drugs.com …

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  • 58Self-condensation — is an organic reaction in which a chemical compound containing a carbonyl group acts both as the electrophile and the nucleophile in an aldol condensation. It is also called a symmetrical aldol condensation as opposed to a mixed aldol… …

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  • 59chitin — chitinous, adj. chitinoid, adj. /kuy tin/, n. Biochem. a nitrogen containing polysaccharide, related chemically to cellulose, that forms a semitransparent horny substance and is a principal constituent of the exoskeleton, or outer covering, of… …

    Universalium

  • 60cholestyramine — An anion exchange resin used to bind dietary cholesterol and hence prevent its systemic absorption. Used to treat hypercholesteremia. Can bind many acidic drugs in the gastrointestinal tract …

    Medical dictionary