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Dictionary of Chemistry by McGraw-Hill

By McGraw-Hill

Pocket-size dictionary of chemistry, together with themes in analytical, inorganic, natural, actual, and polymer chemistry; and spectroscopy. in accordance with the McGraw-Hill Dictionary of clinical and Technical phrases. greatly revised. past variation: c1997. Softcover.

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Arиəиwə la¯иshən } ARPES See angle-resolved photoelectron spectroscopy. Arrhenius equation [PHYS CHEM] The relationship that the specific reaction rate constant k equals the frequency factor constant s times exp (Ϫ⌬Hact /RT), where ⌬Hact is the heat of activation, R the gas constant, and T the absolute temperature. { ar ra¯и ne¯иəs i kwa¯иzhən } arsenate [INORG CHEM] 1. AsO43Ϫ A negative ion derived from orthoarsenic acid, H3AsO4и1/2H2O. 2. A salt or ester of arsenic acid. 9216. { a¨rsиənиik } arsenic acid [INORG CHEM] H3AsO4и1/2H2O White, poisonous crystals, soluble in water and alcohol; used in manufacturing insecticides, glass, and arsenates and as a defoliant.

CH3COONH4иCH3COOH An acid salt resulting from the distillation of the neutral salt or from its solution in hot acetic acid; crystallizes in deliquescent needles. 3. A mixture of the normal and acetic salts; used as a mordant in the dyeing of wool. { ə mo¯nиyəm asиə ta¯t } ammonium alginate [ORG CHEM] (C6H7O6иNH4)n A high-molecular-weight, hydrophilic colloid; used as a thickening agent/stabilizer in ice cream, cheese, canned fruits, and other food products. { ə mo¯nиyəm alиjə na¯t } ammonium alum See ammonium aluminum sulfate.

Me¯ no¯ alиkə ho˙l } 1-aminoanthraquinone [ORG CHEM] C14H9NO2 Ruby-red crystals with a melting point of 250ЊC; freely soluble in alcohol, benzene, chloroform, ether, glacial acetic acid, and hydrochloric acid; used in the manufacture of dyes and pharmaceuticals. { ¦wən ə¦me¯иno¯ anиthrəиkwe¯ no¯n } 2-amino-1-butanol [ORG CHEM] CH3CH2CH(NH2) CH2OH A liquid miscible with water, soluble in alcohols; used in the synthesis of surface-active agents, vulcanizing accelerators, and pharmaceuticals, and as an emulsifying agent for such products as cosmetic creams and lotions.

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