sodium tungstate

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• 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 tungstate — noun or sodium wolframate : a tungstate of sodium; especially : the normal salt Na2WO4 that commonly crystallizes with two molecules of water, is usually obtained during the extraction of tungsten from its ores, and is used chiefly in making… …   Useful english dictionary

• 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