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        Ammonium bifluoride
        Molecular formula NH4HF2
        Molecular weight 57.04
        CAS    NO 1341-49-7
        Characters White orthorhombic crystal
        Use Used for carving for china and glass.
        Specification Analytically pure , chemically pure
        Executive standard GB/T 1278-1994
        Technical index
        Name
        Analytically pure (%) Chemically pure(%)
        Content
        ≥98.0
        ≥97.0
        Ignition residue(Sulfate)
        ≤0.01
        ≤0.05
        Chloride(Cl)
        ≤0.001
        ≤0.005
        Sulfate(SO4)
        ≤0.005
        ≤0.01
        Fluosilicate (SiF6)
        ≤0.2
        ≤0.5
        Ferrum(Fe)
        ≤0.001
        ≤0.005
        Heavy metal(Pb)
        ≤0.002 ≤0.005
        Packing 500kg for bottle packing40kg for pail packing, 25kg for paper plastic packing
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