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AMMONIUM (META)TUNGSTATE HYDRATE With CAS 12333-11-8


  • CAS: 12333-11-8
  • Molecular Formula: H2O.6H3N.H8O40W12
  • Molecular weight: 2974.3
  • EINECS No: 683-059-0
  • Synonyms: AMMONIUM METATUNGSTATE HYDRATE, >=66.5% W; AMMONIUM METATUNGSTATE HYDRATE, 99.99%; AMMoniuM Metatungstate hydrate >=85% WO3 basis (graviMetric); Ammonium metatungstate hydrate 99.99% trace metals basis
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    What is AMMONIUM (META)TUNGSTATE HYDRATE ?

    Ammonium metatungstate (AMT) is one of the precursors of tungsten carbide (WC) catalyst. The surface morphology and particle size distribution of WC particles are affected by the properties of its precursors, and ultimately affect its catalytic activity

    Specification 

    Item

    Standard

    WO3

    88-91%

    Ca

    ≤0.002%

    Cu

    ≤0.001%

    Fe

    ≤0.001%

    K

    ≤0.015%

    Mg

    ≤0.001%

    AI

    ≤0.001%

    Mo

    ≤0.006%

    Pb

    ≤0.001%

    Si

    ≤0.003%

    Application 

    It can be used as a preservative in food and can supplement zinc needed by human body. The dosage can refer to sodium benzoate, and its effect is better than that of sodium benzoateAmmonium tungsten oxide hydrate is widely utilized as a raw material for the synthesis of tungsten catalysts, which is used in a variety of reactions like oxidation, hydroxylation, hydrogenation and polymerization.

    Packing  

    25kgs/drum, 9tons/20’container                                      
    25kgs/bag, 20tons/20’container

    unilong-packing

    AMMONIUM (META)TUNGSTATE HYDRATE With CAS 12333-11-8


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