Tungsten oxide is a kind of tungstic anhydride, which is a tungstate product. Tungsten oxide includes tungsten trioxide and tungsten dioxide. There is no tungsten dioxide product in actual industrial production. According to the content of tungsten trioxide, tungsten trioxide is divided into tungstic acid, sodium tungstate, calcium tungstate, ammonium paratungstate, ammonium metatungstate and other products.
Tungsten trioxide is mainly used for calcin...