What is Tungstentrioxide?
Tungsten Trioxide is a powdery triclinic crystal in a light yellow color. If the temperature rises above 740degC it becomes orange tetragonals crystals that return to its original state upon cooling. It is stable when in air with a melting and boiling point above 1750degC.
Tungsten trioxide, the most stable type of tungsten dioxide, is a solid. It is insoluble with water and other inorganic acid except hydrofluoric. It can be dissolved into a hot, concentrated sodium hydroxide mixture and ammonia in order to create soluble tungstate. It can be oxidized by H2 at temperatures above 650 and can be oxidized by C when the temperature is 10001100.
Tungsten Trioxide Application:
Tungsten Trioxide is widely used in the daily life. The tungstate is commonly used in the production of industrial X-ray screens phosphors, and fireproof fabrics. Because of its yellow components, tungsten is also used in ceramics as well as paints.
Tungsten Trioxide was used to produce electrochromic and smart windows. These windows are the glass for the electric switch, as well as the light transmission performance, and the voltage change. It is possible to tint windows by changing the amount of light or heat.
Some tungsten oxide can be used to make chemical products like paints and coatings or petroleum industry catalysts. The tungsten-oxide intermediate is used for the production metal tungstens and tungsten carbide powders. Cemented carbide of different grades and uses are produced.
Tungsten Trioxide, due to its outstanding electrical and thermal properties, is widely used as a semiconductor electronic package.
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