Zinc Oxide High Purity

    SPECIFICATIONS

    MoistureMax 0.30 %
    Solubility
    (in HCl)
    99.90 to %
    Manganese (Mn)Max 0.0001 %
    Impurities
    (Total)
    Max 0.1 %
    Chloride (Cl)Max 0.0005 %
    pH7.3 to 7.5
    Cadmium
    (Cd)
    Max 0.0010 %
    ArsenicMax 0.0001 %
    Loss on IgnitionMax 0.25 %
    Weight 5.6g/cm3
    Lead
    (including PbO)
    Max 0.0020 %
    Water soluble substancesMax 0.10 %
    Specific surface area
    (BET Method)
    3.5 to 6.7m2/g
    Mesh SizeThrough 325 mesh: 99.9% min
    Sulphur (S)Max 0.0020 %
    NickelMax 0.0001 %
    Iron (Fe)Max 0.0005 %
    Copper
    (Cu)
    Max 0.0002 %
    Volatile MatterMax 0.30 %
    Zinc OxideMin 99.9 %


    Direct Food Ingredients will ensure that any material supplied this specification will confirm to the above physical and chemical properties. However, we have no control over the use of the material and can accept no responsibility for problems caused by the customer's failure to ensure the material supplied is suitable for the intended use.

    This specification has been last modified on Fri 27 May 2011 (603)

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