7664-39-3 hydrofluoric acid hydrofluoric acid Price
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1- Name: Hydrofluoric acid[7664-39-3] 2- Molecular formula: HF
3- Molecular weight: 20.01 4- UN: 1790
Hydrofluoric acid Specifications : Standard: GB7747-87
Index Name |
Excellent Grade |
First Grade |
Second Grade |
||||
F-70 |
F-70 |
F-55 |
F-60 |
F-70 |
F-55 |
F-60 |
|
HF, %min |
70 |
70 |
55 |
60 |
70 |
55 |
60 |
Fluorosilicic Acid(H2SiF6),%max |
0.02 |
0.2 |
0.4 |
0.5 |
0.6 |
1.0 |
1.0 |
Sulfate(SO4),%max |
0.02 |
0.05 |
0.08 |
0.4 |
0.6 |
0.8 |
1.0 |
Iron(Fe),%max |
0.005 |
0.1 |
- |
- |
- |
- |
- |
d sulfuric acid
.
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