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                    安達有色金屬

                    Anda Nonferrous Metals

                    PRODUCTS

                    Anda Nonferrous Metals

                    Tungstic acid

                    Chemical formula: H2WO4

                    Properties: yellow powder, insoluble in water, soluble in caustic soda, soda ash, ammonia solution can generate tungstate.

                    Specifications:

                    Grade
                    H2WO4-1
                    H2WO4-2
                    WO3 (%)
                    88.0-91.0
                    88.0-91.0
                    Impurity content
                    (as WO)
                    not more than
                    %
                    Al
                    0.001
                    0.002
                    As
                    0.005
                    0.005
                    Bi
                    0.001
                    /
                    Ca
                    0.002
                    0.005
                    Co
                    0.002
                    /
                    Cu
                    0.001
                    /
                    Fe
                    0.001
                    0.003
                    K+Na
                    0.015
                    0.020
                    Mg
                    0.001
                    0.002
                    Mn
                    0.001
                    /
                    Mo
                    0.006
                    0.01
                    Ni
                    0.001
                    /
                    P
                    0.001
                    0.005
                    Pb
                    0.0001
                    /
                    S
                    0.001
                    0.003
                    Si
                    0.003
                    0.005
                    Sb
                    0.001
                    /
                    Sn
                    0.0005
                    0.001
                    Ti
                    0.001
                    0.002
                    V
                    0.001
                    0.002

                    Uses: Used in the production of tungsten powder, tungsten bar, tungsten wire, tungsten carbide and other chemical products.
                    Packing: 25kg Cardboard barrel or plastic woven bag .
                    Not: special specifications are negotiable.

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