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Potassium bifluoride
Molecular formula KHF2 (KF.HF)
Molecular weight 78.10
CAS    NO 7789-29-9
Characters Colorless square crystal
Use Used to produce fluorin and glasses
Specification Analytically pure , chemically pure, industrial grade
Executive standard Q/320684NE1701-2004.
Technical index
Name
Analytically pure (%)
Chemically pure(%)
Industrial grade(%)
Content
≥99.0
≥99.0
≥98.0
Chloride(Cl)
≤0.005
≤0.01
≤0.05
Sulfate(SO4)
≤0.01
≤0.03
≤0.05
Fluosilicate (以SiO3計)
≤0.01
≤0.01
≤0.2
Ferrum(Fe)
≤0.0005
≤0.001
≤0.005
Heavy metal(Pb)
≤0.002
≤0.005
≤0.005
Clarity test
qualified
qualified
----
High adicity chlorine test
qualified
qualified
----
Moisture(loss on drying in the temperature of 120°C)
0.05
0.08
0.2
Packing 500kg for bottle packing, 40kg for pail packing, 25kg for paper plastic packing
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