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A compound formed by the condensation of tungstate compounds, usually classified into metatungstates, such as Na<sub>6</sub>W<sub>12</sub>O<sub>40</sub>_xH<sub>2</sub>O, and paratungstates, such as Na<sub>10</sub>W<sub>12</sub>O<sub>41</sub>_xH<sub>2</sub>O.
Industry:Chemistry
K<sub>2</sub>O<sub>2</sub> Yellow mass with a melting point of 490_C; decomposes with oxygen evolution in water; used as an oxidizing and bleaching agent.
Industry:Chemistry
TiC Very hard gray crystals insoluble in water, soluble in nitric acid and aqua regia, melts at about 3140_C; used in cermets, arc-melting electrodes, and tungsten-carbide tools.
Industry:Chemistry
Bi<sub>2</sub> Te<sub>3</sub> Gray, hexagonal platelets with a melting point of 573_C; used for semiconductors, thermoelectric cooling, and power generation applications.
Industry:Chemistry
La(NO<sub>3</sub>)<sub>3</sub>_6H<sub>2</sub>O Hygroscopic white crystals melting at 40_C; soluble in alcohol and water; used as an antiseptic and in gas mantles.
Industry:Chemistry
K<sub>2</sub>S<sub>2</sub>O<sub>8</sub> White, water-soluble crystals, decomposing below 100_C; used for bleaching and textile desizing, as an oxidizing agent and antiseptic, and in the manufacture of soap and pharmaceuticals. Also known as potassium peroxydisulfate.
Industry:Chemistry
TiCl<sub>2</sub> A flammable, alcohol-soluble, black powder that decomposes in water, and in vacuum at 475_C, and burns in air. Also known as titanium chloride.
Industry:Chemistry
Bi<sub>2</sub> O<sub>3</sub> A yellow powder; melting point 820_C; insoluble in water, dissolves in acid; used to make enamels and to color ceramics. Also known as bismuth oxide; bismuth yellow.
Industry:Chemistry
La<sub>2</sub> O<sub>3</sub> A white powder melting at about 2000_C; soluble in acid, insoluble in water; used to replace lime in calcium lights and in optical glass. Also known as lanthana; lanthanum sesquioxide; lanthanum trioxide.
Industry:Chemistry
Any one of three orthophosphates of potassium.
The monobasic form, KH<sub>2</sub>PO<sub>4</sub>, consists of colorless, water-soluble crystals melting at 253_C; used in sonar transducers, optical modulation, medicine, baking powders, and nutrient solutions; also known as potassium acid phosphate, potassium dihydrogen phosphate (KDP), potassium diphosphate, potassium orthophosphate. The dibasic form, K<sub>2</sub>HOP<sub>4</sub>, consists of white, water-soluble crystals; used in medicine, fermentation, and nutrient solutions; also known as potassium hydrogen phosphate, potassium monophosphate. The tribasic form, K<sub>3</sub>PO<sub>4</sub>, is a water-soluble, hygroscopic white powder, melting at 1340_C; used to purify gasoline, to soften water, and to make liquid soaps and fertilizers; also known as neutral potassium phosphate, tripotassium orthophosphate.
Industry:Chemistry
