ammonium compound

铵基化合物

English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.

Look at other dictionaries:

  • quaternary ammonium compound — noun a compound derived from ammonium with hydrogen atoms replaced by organic groups; used as surface active agents, disinfectants, and in drugs • Hypernyms: ↑organic compound * * * noun also quaternary ( es) : any of a large class of strong… …   Useful english dictionary

  • quaternary ammonium compound — n any of numerous strong bases and their salts derived from ammonium by replacement of the hydrogen atoms with organic radicals and important esp. as surface active agents, disinfectants, and drugs called also quat, quaternary * * * an organic… …   Medical dictionary

  • quaternary ammonium compound — n. any of a class of compounds in which the four hydrogen atoms of the ammonium radical are replaced by other groups, generally organic radicals: used as solvents, disinfectants, etc …   English World dictionary

  • quaternary ammonium compound — Chem. any of a class of salts derived from ammonium in which the nitrogen atom is attached to four organic groups, as in benzalkonium chloride; the salts are cationic surface active compounds used as antiseptics and disinfectants. Also called… …   Universalium

  • quaternary ammonium compound — noun Date: circa 1934 any of numerous strong bases and their salts derived from ammonium by replacement of the hydrogen atoms with organic radicals and important especially as surface active agents, disinfectants, and drugs …   New Collegiate Dictionary

  • quaternary ammonium compound — quat′ernary ammo′nium com pound n. chem. any of a class of salts derived from ammonium in which the nitrogen atom is attached to four organic groups; used as antiseptics and disinfectants • Etymology: 1815–25 …   From formal English to slang

  • quaternary ammonium compound — noun any of a class of compounds with the general formula, R4N+, formally derived from ammonium hydroxide …   Australian English dictionary

  • quaternary ammonium compound — noun An amine derivative, containing four radicals, of general formula RRRR NX; the radicals may be the same, different, or part of a ring; X is any univalent cation such as OH. See Also: primary amine, secondary amine, tertiary amine …   Wiktionary

  • Ammonium bicarbonate — Ammonium bicarbonate …   Wikipedia

  • Ammonium fluoride — Ammonium fluoride …   Wikipedia

  • Ammonium chlorate — IUPAC name Ammonium chlorate …   Wikipedia

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