High Purity Blue Tungsten Oxide

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High purity blue tungsten oxide is the purity of product over or higher than 99.99%, while according to the blue tungsten oxide product standards, its purity is 99.95%, among them the content of tungsten should reach 80.00% ~ 80.80%. With the constant rise of high and new technology, tungsten product quality is becoming more and more attention. According to the tungsten products on the performance of genetic, high purity of blue tungsten oxide will directly contribute to the high purity requirements of downstream products.

The industrial blue tungsten oxide compounds mainly consist of several tungsten oxides of WO2.9, WO3 and WO2.72, the proportion of various components mainly depended on temperature, atmosphere, and speed of APT calcining or reduction. In theory, the high purity blue tungsten oxide is theβ- tungsten oxide with a very high purity, of which the measured density is 19.0~19.1 g/cm3, X-ray measuring density of 18.94 g/cm3.

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APT

Ammonium Paratungstate

Ammonium paratungstate (APT) is an important intermediate compounds of tungsten hydrometallurgical process, appearance is white crystalline powder, insoluble in water, soluble in alcohol and ether.
ammonium metatungstate

Ammonium Metatungstate

Ammonium metatungstate(AMT) is an important intermediate compounds of tungsten hydrometallurgical process, appearance is white crystalline powder, solubility in water is the largest in the tungsten compounds which over 300g WO3/100ml H2O (in 25℃).
sodium tungstate

Sodium Tungstate

Sodium tungstate, a tungstate of sodium, is useful as a source of tungsten. It is prepared from tungsten ores used to manufacture tungsten by reducing it.
tungstic acid

Tungstic Acid

Tungstic acid refers to hydrated forms of tungsten trioxide, WO3. The simplest form, the monohydrate, is WO3.H2O, the dihydrate WO3.2H2O is also known. The solid state structure of WO3. H2O consists of layers of octahedrally coordinated WO5(H2O) units where 4 vertices are shared.
yellow tungsten oxide

Yellow Tungsten Oxide

Yellow tungsten oxide is a finely divided, yellow crystalline powder. It is produced by roasting ammonium paratungstate at closely controlled temperatures to drive off water and ammonia. Exact time and temperature control determine, to a large extent, the physical characteristics of yellow tungsten oxide.
cesium tungstate bronze

Cesium Tungsten Bronze

Cesium tungsten bronze is inorganic nano material with good property in absorbing near-infrared with uniform grain size and dispersibility, it has strong absorbing function in near-infrared area with wave length 800~1200nm, also has high transmittance in visible light area with wave length 380~780nm.