Ammonium tungstate hydrate (Ammonium tungstate) has a wide range of uses, which can be summarized as follows:
Preparation of catalysts
Ammonium tungstate hydrate can be used for the preparation of tungsten catalysts, which play an important role in petrochemical processes such as oil hydrocracking, lubricant hydrotreating, desulfurization, denitrogenation and so on.
Metal Surface Treatment
Ammonium tungstate hydrate is also used in the surface coating of various metal products and the manufacture of cemented carbide to improve the performance of metal materials.
Preparation of other tungsten compounds
In addition to the above applications, ammonium tungstate hydrate can also be used in the preparation of other tungsten compounds, such as tungsten oxide, metallic tungsten powder, ammonium phosphotungstate and so on.
Production of chemicals
Ammonium tungstate hydrate can be used to produce chemicals such as lubricants, corrosion inhibitors, fertilizers, denitrification catalysts, fluorescent materials, electrode materials, photoelectric materials, superconducting materials, hydrogen storage materials and so on.
Catalytic properties
AMMONIUM TUNGSTATE PENTAHYDRATE has good catalytic properties and is commonly used as catalyst, catalyst pretreatment agent and chemical analysis reagent. In petrochemical industry, it is often used in reactions such as hydrodenitrogenation and heavy oil hydrodesulfurization.
Physical Properties
Ammonium tungstate hydrate is a white powder, soluble in water, but the solubility at 20 ℃ is small, insoluble in alcohol solvents. It has poor thermal stability, and will lose water of crystallization when heated to 100℃, and will decompose into tungsten oxide, ammonia gas and water when the temperature rises further.
In summary, ammonium tungstate hydrate has important applications in petrochemical industry, metal processing, catalyst preparation and production of various chemicals. Meanwhile, due to its unique physicochemical properties, such as thermal stability and solubility, it also offers the possibility of its application in different fields.
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