Useful english dictionary. 2012.
Sodium tungstate — Sodium tungstate, Na2WO4, a tungstate of sodium, is useful as a source of tungsten. It is prepared from tungsten ores used to manufacture tungsten by reducing it.It is often found as the dihydrate, Na2WO4•2H2O. This salt is soluble in water and… … Wikipedia
Sodium molybdate — Sodium molybdate … Wikipedia
Sodium dichromate — Sodium dichromate. IU … Wikipedia
Sodium chromate — Sodium chromate … Wikipedia
sodium wolframate — noun see sodium tungstate … Useful english dictionary
tungstate — [ tœ̃kstat ] n. m. • 1789; de tungstène ♦ Chim. Sel renfermant l anion WO4. Tungstate de sodium (Na2WO4). ⇒ wolfram. ● tungstate nom masculin Sel d un acide tungstique. ● tungstate (synonymes) nom masculin Sel d un acide tungstique. Synonymes … Encyclopédie Universelle
calcium tungstate — noun : a white crystalline salt CaWO4 found in nature as scheelite and used chiefly in screens for radiography, in luminous paint, and in fluorescent lamps * * * calcium tungstate, a white powder occurring naturally as scheelite and produced… … Useful english dictionary
tungsten processing — Introduction preparation of the ore for use in various products. Tungsten exhibits a body centred cubic (bcc) crystal lattice. It has the highest melting point of all metals, 3,410° C (6,170° F), and it has high conductivity for… … Universalium
tungsten — tungstenic /tung sten ik/, adj. /tung steuhn/, n. Chem. a rare, metallic element having a bright gray color, a metallic luster, and a high melting point, 3410° C, and found in wolframite, tungstite, and other minerals: used in alloys of high… … Universalium
Phosphotungstic acid — Chembox new Name = Phosphotungstic acid ImageFile = Phosphotungstate 3D polyhedra.png ImageName = Structure of the phosphotungstate anion OtherNames = PTA, TPA, tungstophosphoric acid Section1 = Chembox Identifiers CASNo = 12067 99 1 Section2 =… … Wikipedia
