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          Potassium tetrafluoroborate
          Molecular formula KBF4
          Molecular weight 125.90
          CAS    NO 14075-53-7
          Characters Colorless crystal
          Use Used as flux,and used in chemical engineering and chemical research.
          Specification Analytically pure , chemically pure
          Executive standard Enterprise standard
          Technical index
          Name
          Analytically pure (%)
          Chemically pure(%)
          Content
          ≥98.0
          ≥97.0
          Chloride(Cl)
          ≤0.002
          ≤0.005
          Sulfate(SO4)
          ≤0.002
          ≤0.005
          Ferrum(Fe)
          ≤0.002
          ≤0.005
          Heavy metal(Pb)
          ≤0.001
          ≤0.003
          Phosphate(PO4)
          ≤0.005
          ≤0.01
          potassium hexafluorosilicate(K2SiF6)
          ≤0.3
          ≤0.8
          Free acid(HF)
          ≤0.1
          ≤0.2
          Free alkali(KOH)
          ≤0.1
          ≤0.1
          Packing 500kg for bottle packing40kg for pail packing, 25kg for paper plastic packing.
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