M.W. |
37 |
Formula |
NH4F |
| Chemical Composition | |||||||||||||||
Item |
(NH4F)% |
Al |
As |
B |
Ca |
Cu |
Fe |
K |
Mg |
Mn |
Na |
Ni |
Pb |
Ti |
Zn |
Maximum w/( μg/kg) |
|||||||||||||||
Index |
40 ± 1 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
Ammonium fluoride solution can be used as cleaning agent, caustic agent. We can prepare buffer solution with hydrofluoric in it. MOS grade is mainly used for medium and large-scale integrated circuits. BV-Ⅲ grade is mainly used for IC production.