Ion Exchange Method Producing Blue Tungsten Oxide

Blue Tungsten Oxide Photo
Ion Exchange Column Photo Inquiry & Feedback

Ion exchange method is an economic method to produce blue tungsten oxide which is developed in recent years for tungsten hydrometallurgical technology. With update and improvement of extracting equipment of tungsten, tungsten product manufacture has been improved a lot.

Ion exchange method producing blue tungsten oxide principle is due to tungsten in aqueous solution of various anions affinity to exchange resin, the one with bigger affinity will exchange the smaller one. With the ongoing of exchange process, other anions are substituted by tungsten and purified, especially for element like Si, P, As.

Ion exchange method producing blue tungsten oxide has the following process: grinding, leaching, ion exchange, ammonium paratungstate crystallization, dry, calcination. This method has been widely used in factory.

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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.