anion exchange
anion exchange [CHEM] A type of ion exchange in which the immobilized functional
groups on the solid resin are positive
2.1.12
animal charcoal
10:47 AM Anonymous
animal charcoal [CHEM] Charcoal obtained by the destructive distillation of animal
matter at high temperatures; used to adsorb organic coloring matter.animal black
10:46 AM Anonymous
animal black [CHEM] Finely divided carbon made by calcination of animal bones or
ivory; used for pigments, decolorizers, and purifying agents; varieties include bone
black and ivory black
aniline hydrochloride
10:45 AM Anonymous
aniline hydrochloride [ORG CHEM]C6H5NH2 HCl White crystals, although sometimes
the commercial variety has a greenish tinge;melting point 198 C; soluble in water and
ethanol; used in dye manufacture, dyeing, and printing
aniline-formaldehyde resin
10:44 AM Anonymous
aniline-formaldehyde resin [CHEM] A thermoplastic resin made by polymerizing ani
line and formaldehyde
aniline black
10:42 AM Anonymous
aniline black [ORG CHEM] A black dye produced on certain textiles, such as cotton, by
oxidizing aniline or aniline hydrochloride
aniline C6H5NH2
10:41 AM Anonymous
aniline [ORG CHEM]C6H5NH2 An aromatic amine compound that is a pale brown liquid
at room temperature; used in the dye, pharmaceutical, and rubber industries
anilide
10:39 AM Anonymous
anilide [ORG CHEM] A compound that has the C6H5NH2 group; an example is benzanilide, C6H5NHCOC6H5.
anilazine C9H5Cl3N4
10:38 AM Anonymous
anilazine [ORG CHEM]C9H5Cl3N4 A tan solid with a melting point of 159–160 C; used
for fungal diseases of lawns, turf, and vegetable crops
anhydrous sodium sulfate Na2SO4
10:36 AM Anonymous
anhydrous sodium sulfate [INORG CHEM]Na2SO4 Water-soluble, white crystals with
bitter, salty taste;melts at 888 C; used in themanufacture of glass, paper, pharmaceu-
ticals, and textiles, and as an analytical reagent
anhydrous hydrogen chloride
10:24 AM chemistry vidoes
anhydrous hydrogen chloride [INORG CHEM] HCl Hazardous, toxic, colorless gas used
in polymerization, isomerization, alkylation, nitration, and chlorination reactions;
becomes hydrochloric acid in aqueous solutions
anhydrous ammonia
10:23 AM chemistry vidoes
anhydrous ammonia [INORG CHEM] Liquid ammonia, a colorless liquid boiling at
33.3 C
anhydrous
10:21 AM chemistry vidoes
anhydrous [CHEM] Being without water, especially water of hydration
anhydride
10:21 AM chemistry vidoes
anhydride [CHEM] A compound formed from an acid by removal of water
anharmonic oscillator spectrum
10:20 AM chemistry vidoes
anharmonic oscillator spectrum [SPECT] A molecular spectrum which is significantly
affected by anharmonicity of the forces between atoms in the molecule
angle-resolved photoelectron spectroscopy
10:19 AM chemistry vidoes
angle-resolved photoelectron spectroscopy [SPECT] A type of photoelectron spec
troscopy which measures the kinetic energies of photoelectrons emitted from a solid
surface and the angles at which they are emitted relative to the surface. Abbreviated
ARPES
anethole
10:18 AM chemistry vidoes
anethole [ORG CHEM]C10H12O White crystals that melt at 22.5 C; very slightly soluble
in water; affected by light; odor resembles oil of anise; used in perfumes and flavors,
and as a sensitizer in color-bleaching processes in color photography
anchimeric assistance
10:17 AM chemistry vidoes
anchimeric assistance [ORG CHEM] The participation by a neighboring group in the
rate-determining step of a reaction; most often encountered in reactions of carboca-
tion intermediates. Also known as neighboring-group participation
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