The Properties And Application of Tungsten trioxide

Byadmin

Sep 4, 2023

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What is Tungstentrioxide?
Tungsten Trioxide is a powder crystal of a yellowish-light triclinic 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 to create industrial X-ray screens phosphors, fireproof fabrics and tungstate. Due to the yellow color of tungsten, it is used as a paint and ceramic pigment.
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 to make metal tungsten powders and tungsten carbide powders. These are used later in the manufacture of metal tungsten items. 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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