Potassium Fluoride
Price:Negotiable
Contact Info
- Add:702-2 Room, No.66 Nanjing East Road.Shanghai,China, Zip: 200002
- Contact:
- Tel:+86-21-63617876 58608722 86-351-6198541
- Email:sales@domen.com.cn
Other Products
Description
Additional Information
|
Specification of Anhydrous Potassium Fluoride | |||||||
|
Items |
Electronic Grade A |
Electronic Grade B |
Outstanding Grade |
AR Grade |
CP Grade |
Food Grade |
Industrial Grade (HG/T2829-1997) |
|
Appearance |
White Powder without Cake |
White Powder without Cake |
White Powder without Cake |
White powder , clear and no insoluble in 1:2 water solution |
White powder , clear and no insoluble in 1:2 water solution |
White powder |
White powder |
|
Purity % Min |
99.0 |
99.0 |
99.1 |
99.0 |
98.0 |
98.0-99.5 |
98.0 |
|
Loss on Drying (140 ℃ ) % Max |
0.5 |
0.01 |
|||||
|
Burnt loss (700 ℃ ) % Max |
0.14 |
||||||
|
SO4 ppm ≤ |
200 |
400 |
100 |
300 |
0.005 |
||
|
CL ppm ≤ |
10 |
10 |
50 |
20 |
50 |
0.05 |
7000 |
|
Free Acid % Max |
0.02 |
0.01 |
0.01 |
0.05 |
0.1 |
0.2 |
0.3 |
|
Moisture % Max |
0.2 |
0.2 |
0.2 |
0.5 | |||
|
Free Alkali % Max |
0.2 |
0.01 |
0.1 |
0.1 |
|||
|
Fluosilicate % Max |
0.01 |
||||||
|
Fe ppm Max |
1 |
5 |
3 |
5 |
10 |
0.005 |
|
|
Na ppm Max |
1000 |
4000 |
1300 |
||||
|
Cd ppm Max |
1 |
||||||
|
Ca ppm Max |
1 |
5 |
2 |
||||
|
Si ppm Max |
1 |
8 |
3 |
||||
|
Mg ppm Max |
1 |
5 |
1 |
||||
|
Al ppm Max |
1 |
10 |
2 |
0.003 |
|||
|
B ppm Max |
2 |
5 |
2 |
||||
|
Pb ppm Max |
2 |
10 |
2 |
10 |
50 |
||
|
Cr ppm Max |
1 |
5 |
2 |
||||
|
Cu ppm Max |
1 |
5 |
2 |
||||
|
Mn ppm Max |
1 |
2 |
|||||
|
Ni ppm max |
1 |
5 |
2 |
||||
|
Mo ppm Max |
1 |
2 |
|||||
|
Sn ppm Max |
1 |
||||||
|
S ppm Max |
5 |
5 |
5 |
||||
|
Ti ppm Max |
1 |
||||||
|
W ppm Max |
1 |
5 |
|||||
|
As ppm Max |
0.2 |
5 |
0.2 |
2 |
|||
|
PH in 5% solution |
7.5?.0 |
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