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[ Molecular Formula ]:NH4HF2[ Molecular Weight ]:57.04
[ Properties ]:White crystal with strong hygroscopic property. It is soluble in water and slightly soluble in alcohol, and hydrolyze on meeting heat or heat water. It is corrosive to glass and toxic.
[ Uses ]:Used as analytic reagent, the enchasing of ceramics and glass; as bacteria inhibitor.
[ Storage ]:Away from moisture, sealed.
[ Quality Index ]:HG/T3586-1999
|
Item
|
AR
|
CP
|
|
Ammonium Bifluoride(NH4HF2)
|
98.0%
|
97.0%
|
|
Impurities(%)
|
--
|
--
|
|
Ignition Residue(as Sulfate)
|
0 .01
|
0.05
|
|
Chloride(Cl)
|
0.001
|
0.005
|
|
Sulfate(SO4)
|
0.005
|
0.01
|
|
F luorosilicate(as SiF6)
|
0.20
|
0.5
|
|
Iron(Fe)
|
0.001
|
0.005
|
|
Heavy Metals(as Pb)
|
0.002
|
0.005
|
[ Packing ]: The fiber bag with polyethylene film inside (Net weight:25kg).