【Know Tungsten】Tungsten Dioxide

Tungsten dioxide, also known as brown tungsten oxide, has a chemical formula of W O 2 and is insoluble in water, alkaline solution, hydrochloric acid and dilute sulfuric acid. It is a brown monoclinic powder crystal. Tungsten dioxide is unstable and is quickly oxidized to tungsten trioxide in the air. Tungsten powder can be produced by hydrogen reduction.

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