Tungsten trioxide is a tungsten compound, yellow powder, insoluble in water, soluble in alkali, slightly soluble in acid, obtained by adding acid after co-melting tungsten ore and soda ash. Tungsten oxide is light yellow triclinic powder crystal. When the temperature is higher than 740°C, it turns into an orange tetragonal crystal, and returns to its original shape after cooling. It is stable in air, with a melting point of 1473°C, a boiling point higher than 1750°C, and a relative density of 7.16. Tungsten trioxide is one of the most stable tungsten oxides, insoluble in water and inorganic acids except hydrofluoric acid, soluble in hot concentrated sodium hydroxide solution and ammonia ammonia water to form soluble tungstate. When the temperature is higher than 650 ° C, it can be reduced by H2, and it can be reduced by C at 1000 ~ 1100 ° C to obtain tungsten powder.
High-purity tungsten trioxide refers to tungsten trioxide with high purity, WO3 content ≥ 99.99%, impurity content 0.001. In the field of materials science and industry, high purity usually refers to the level of purity with low impurity content, which is close to or reaches 100%. For high-purity tungsten trioxide, its main features include the following aspects:
Low Impurity Content
The preparation process of high-purity tungsten trioxide usually adopts fine synthesis methods and strict impurity control to ensure that the impurity content is as low as possible, usually above 99%.
Pure Crystal Structure
High-purity tungsten trioxide has high crystal purity and relatively complete and regular crystal structure. This helps to improve its physical and chemical properties and guarantees its reliability and stability in the application.
Lower Water Content
High-purity tungsten trioxide usually has a low water content, and the control of water content is especially important for some specific applications, such as electronic devices and optical materials.
High-purity tungsten trioxide is often used in various applications, such as electronic materials, catalysts, optical coatings, high-temperature materials, etc. Its high purity characteristics make it have better performance, reliability and application potential in these fields. When selecting high-purity tungsten trioxide products, it is recommended to contact the supplier to learn about its specific purity grade and applicable application range.
More details of tungsten oxide product, please visit website: tungsten-oxide.com
Please contact CHINATUNGSTEN for inquiry and order of tungsten oxide:
Email: sales@chinatungsten.com
Tel.: 86 592 5129595
