- 行业: Printing & publishing
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- Company Profile:
McGraw Hill Financial, Inc. is an American publicly traded corporation headquartered in Rockefeller Center in New York City. Its primary areas of business are financial, publishing, and business services.
Fe<sub>4</sub> (Fe(CN)<sub>6</sub>)<sub>3</sub> Dark-blue crystals, used as a pigment, and with oxalic acid in blue ink. Also known as iron ferrocyanide.
Industry:Chemistry
A salt or ester of osmic acid, containing the osmate radical, OsO<sub>4</sub> <sub>2</sub>_; for example, potassium osmate (K<sub>2</sub>OsO<sub>4</sub>).
Industry:Chemistry
NaSCN A poisonous, water- and alcohol-soluble, deliquescent, white powder; melts at 287_C; used as an analytical reagent, solvent, and chemical intermediate, and for rubber treatment and textile dyeing and printing. Also known as sodium sulfocyanate.
Industry:Chemistry
NH<sub>4</sub>NH<sub>2</sub>CO<sub>2</sub> A salt that forms colorless, rhombic crystals, which are very soluble in cold water; an important, unstable intermediate in the manufacture of urea; found in commercial ammonium carbonate.
Industry:Chemistry
FeF<sub>3</sub> Green, rhombohedral crystals, soluble in water and acids; used in porcelain and pottery manufacture. Also known as iron fluoride.
Industry:Chemistry
OsO<sub>4</sub> Poisonous yellow crystals with disagreeable odor; melts at 40_C; soluble in water, alcohol, and ether; used in medicine, photography, and catalysis. Also known as osmium oxide; osmium tetroxide.
Industry:Chemistry
Na<sub>2</sub> S<sub>2</sub>O<sub>3</sub>_5H<sub>2</sub>O White, translucent crystals or powder with a melting point of 48_C; soluble in water and oil of turpentine; used as a fixing agent in photography, for extracting silver from ore, in medicine, and as a sequestrant in food. Also known as sodium hyposulfite; sodium subsulfite.
Industry:Chemistry
1. (NH<sub>4</sub>)<sub>2</sub>CO<sub>3</sub> The normal ammonium salt of carbonic acid, prepared by passing gaseous carbon dioxide into an aqueous solution of ammonia and allowing the vapors (ammonia, carbon dioxide, water) to crystallize. 2. NH<sub>4</sub>HCO<sub>3</sub>_NH<sub>2</sub>COONH<sub>4</sub> A white, crystalline double salt of ammonium bicarbonate and ammonium carbamate obtained commercially; the principal ingredient of smelling salts.
Industry:Chemistry
Fe(OH)<sub>3</sub> A brown powder, insoluble in water; used as arsenic poisoning antidote, in pigments, and in pharmaceutical preparations. Also known as ferric hydrate; iron hydroxide.
Industry:Chemistry
(COCl)<sub>2</sub> Toxic, colorless liquid boiling at 64_C; soluble in ether, benzene, and chloroform; used as a chlorinating agent and for military poison gas.
Industry:Chemistry
