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What property does tungsten dioxide have?
Tungsten oxide It is a powdery light yellow triclinic crystal. The chemical formula for WO3 is. When temperatures are higher than 740degC tungsten oxide crystallizes into orange tetragonals. These crystals return to their original state when cooled. Tungsten dioxide powder is stable at air temperatures, with a melting and boiling point above 1750degC.Tungsten Oxide is not soluble in water, nor in any inorganic acid other than hydrofluoric. In hot concentrated sodium chloride solution, WO3 can be dissolved with ammonia. When the temperature exceeds 650°C, it can be reduced with H2 and by C at 1000-1100°C to get tungsten.
How is tungsten dioxide used?
Tungsten dioxide is used in many ways every day. The tungsten oxide is used as a phosphor in industrial X.ray screens and fireproof fabric. Due to its yellow element, tungsten is used as a colorant in ceramics.The production of smart and electrochromic windows has used tungsten oxide. These windows are the glass with the electric switch, the performance of light transmission, and the voltage change. Users can tint their windows by changing how much heat or light is being applied. Use of high-density, inert metals is another option. In the 2008-2009 war between Israel and Gaza Strip, the use of these explosives was more prominent.
Some tungsten oxide can be used to make chemical products like paints, coatings, catalysts in the petroleum industry, etc. But tungsten dioxide is an intermediary product. A large amount of this oxide is used to produce metal tungsten particles and tungsten carbide powder. This is then used for the production of metal products tungsten.
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