- 行业: Printing & publishing
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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.
A mono- or dihydric phosphate; for example, M<sub>2</sub>HPO<sub>4</sub> or MH<sub>2</sub>PO<sub>4</sub>, where M represents a metal atom.
Industry:Chemistry
(NaPO<sub>3</sub>)x Sodium phosphate groupings; cyclic forms range from x _ 3 for the trimetaphosphate, to x _ 10 for the decametaphosphate; sodium hexametaphosphate with x _ 10 to 20 is probably a polymer; used for dental polishing, building detergents, and water softening, and as a sequestrant, emulsifier, and food additive.
Industry:Chemistry
MnCl<sub>2</sub>_4H<sub>2</sub>O Water-soluble, deliquescent rose-colored crystals melting at 88_C; used as a catalyst and in paints, dyeing, and pharmaceutical preparations.
Industry:Chemistry
NaNH<sub>2</sub> White crystals that decompose in water; melts at 210_C; a fire hazard; used to make sodium cyanide. Also known as sodamide.
Industry:Chemistry
NdCl<sub>3</sub>_xH<sub>2</sub>O Water-and acid-soluble, pink lumps; used to prepare metallic neodymium.
Industry:Chemistry
Cr(OH)<sub>3</sub>_2H<sub>2</sub>O Gray-green, gelatinous precipitate formed when a base is added to a chromic salt; the precipitate dries to a bluish, amorphous powder; prepared as an intermediate in the manufacture of other soluble chromium salts.
Industry:Chemistry
Mn(OH)<sub>2</sub> Heat-decomposable white-pink crystals; insoluble in water and alkali, soluble in acids; occurs in nature as pyrochroite. Also known as manganese hydroxide.
Industry:Chemistry
Cr(NO<sub>3</sub>)<sub>3</sub>_9H<sub>2</sub>O Purple, rhombic crystals that are soluble in water; used as a mordant in textile dyeing.
Industry:Chemistry
NiSO<sub>4</sub>_(NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub>_6H<sub>2</sub>O A green, crystalline compound, soluble in water; used as a nickel electrolyte for electroplating. Also known as ammonium nickel sulfate; double nickel salt.
Industry:Chemistry
Cr<sub>2</sub> O<sub>3</sub> A dark green, amorphous powder, forming hexagonal crystals on heating that are insoluble in water or acids; used as a pigment to color glass and ceramic ware and as a catalyst. Also known as chrome green.
Industry:Chemistry
