Tungsten oxide is relatively stable at normal temperature, but it will react with reducing agent at high temperature.
Tungsten oxide (WO3) has good stability under normal conditions. The following are several aspects about the stability of tungsten oxide:
Thermal stability: Tungsten oxide has a high melting point (about 1473 degrees Celsius) and shows good stability under high temperature conditions. Its ability to withstand high-temperature heating without decomposition or melting makes it advantageous for applications in high-temperature environments.
Chemical stability: Tungsten oxide is relatively stable under general chemical conditions. It is not easily attacked by most acids, alkalis and solvents. However, under extreme chemical conditions (such as concentrated acids or strong oxidizing agents), tungsten oxide may be corroded or dissolved to some extent.
Photostability: Tungsten oxide has good stability to light irradiation. It is not easy to undergo significant photochemical reaction or decomposition due to the action of light. This makes tungsten oxide stable for longer periods of time in applications such as optics and optical coatings.
It should be noted that although tungsten oxide is stable under most conditions, some chemical changes may still occur under certain conditions. Therefore, it still needs to be considered and evaluated according to the specific working environment and needs in specific applications.
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