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  • Ammonium Paratungstate

    Ammonium paratungstate (APT) is a white crystalline powder with low water solubility used in the production of tungsten oxide, metal tungsten powder and tungsten acid.

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    Ammonium paratungstate (APT) is an important chemical compound of tungsten. It is often used as an intermediate product in producing tungsten metal and various tungsten compounds.


    Chemical Composition: Ammonium paratungstate has the chemical formula((NH4)10W12O41·5H2O. It comprises ammonium ions (NH4+), tungstate ions (W12O42^10-), and water molecules.


    Appearance: APT is typically found in the form of white or off-white crystalline powder or granules.


    Production:

    - Scheelite concentrate soda pressure cooking-solvent extraction-evaporation crystallisation method.

    - Wolframite concentrate high-pressure alkali boiling (caustic soda)-ion exchange-evaporation crystallisation method.


    Uses:

       - Tungsten Production: Ammonium paratungstate is a common intermediate in the production of tungsten metal. It is often converted into tungsten oxide, which can be further processed to obtain pure metal.

       - Catalysts: APT can be used as a catalyst in various chemical reactions, particularly in the petrochemical industry.

       - Pigments: In some cases, APT is used to produce pigments for ceramics and paints.


    Tungsten Applications: Tungsten, derived from APT, is known for its high melting point and density, making it useful in a wide range of applications, including the manufacturing of electrical wires, light bulb filaments, and various industrial tools.


    Ammonium paratungstate plays a crucial role in the tungsten industry, serving as an intermediate product that is further processed to obtain various tungsten materials with specific properties for different applications.

     

    FSSS: 30-60um


    Scott Density: 1.8-2.5g/cm3 

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    Screening & Packaging:

    (1) 100% through 60mesh screen;

    (2) Bag packaging: inner double plastic bags and an outside woven bag with net weight of 50kg/1000kg;

    (3) Drum packaging: inner double plastic bags with net weight of 100kg/200kg per drum. 

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