It is mainly used in the manufacture of electronic products, high-grade medicines and pesticides
High purity Potassium Fluoride QB-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
|
≤20 ppm
|
≤30 ppm
|
Fe
|
≤10 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.
|