Tungstic Acid Color
Tungstic acid color will show in different because of the different kinds of tungstic acid, commonly, tungstic acid represents yellow tungstic if there are no special instructions, the yellow powder. In addition, the known tungstic acid also is white tungstic acid and metatungstic acid. While, as the name implies, white tungstic acid is the white solid powder, and metatungstic acid is a kind of colorless crystal powder.
Tungstic acid is a kind of polymer compound, the different ratios of tungsten trioxide and water form the different kinds of tungstic, and thus to appear in variety color.
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Ammonium paratungstate is a chemical substance, mainly white crystals, flaky or acicular two kinds, for the manufacture of tungsten trioxide or tungsten blue tungsten metal powder
Ammonium metatungstate is an important compound in tungsten smelting process, referred to as AMT. AMT is very versatile and can be used as a catalyst, capacitor, and nuclear shielding material.
Blue tungsten oxide refers to a class of dark blue compounds containing tungsten (VI) and tungsten (V) mixed valence states, the appearance of dark blue powder.
Sodium tungstate is an inorganic compound of formula Na2WO4 • 2H2O. This white, water-soluble solid is the sodium salt of ortho-tungstic acid. As a raw material for chemical synthesis of tungsten, sodium tungstate is an important intermediate in the conversion of tungsten ore to metal.
Cesium tungsten bronze is a kind of good performance inorganic nano-material which absorbs NIR and has uniform particle size distribution. It possesses strong adsorption function in wavelength of 800-1200nm in the near infrared region and high visible light transmittance with wavelength of 380-780nm.
