Potassium fluoride,extra pure
Potassium fluoride,extra pure
It is mainly used in the manufacture of electronic products, high-grade medicines and pesticides
High purity Potassium FluorideQB-102-2008
Item
Grade A
Grade B
Potassium Fluoride /% ≥
99.5
99.3
Chlorides(Cl) /% ≤
0.05
0.1
Loss on drying/% ≤
0.2
0.2
Free acids/alkalis
As HF /% ≤
0.05
0.05
As KOH/% ≤
0.05
0.1
Sulphate(SO4) /% ≤
0.1
0.2
fluosilicate silicofluoride(SiO2) /% ≤
0.01
0.05
Insol. in water /% ≤
0.01
0.1
ICP
Determination of KF
microelements
Cr
≤5 ppm
≤5 ppm
Cu
≤5 ppm
≤5 ppm
Mg
≤5 ppm
≤5 ppm
Al
≤10 ppm
≤10 ppm
Si
≤8 ppm
≤30 ppm
Fe
≤5 ppm
≤20 ppm
Pb
≤10 ppm
≤10 ppm
As
≤5 ppm
≤5 ppm
B
≤5 ppm
≤10 ppm
Ca
≤5 ppm
≤10ppm
Na
≤300 ppm
≤500 ppm
Ni
≤3 ppm
≤5 ppm
P
≤3 ppm
≤30ppm
Packing:1) 15kgs plastic woven bag, 20kgs aluminum foil bag, 75kgs cardboard drum. 2 ) Upon clients' request.
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