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[Molecular
formula] NH4F
[Properties]
colourless lobation or needle-shaped crystallization,
easily deliquescent, soluble in
water very easily. Its
liquor is acid and poisonous, which can erode glass.
[Quality Standard]
|
Content (NH4F)% |
95.0 Min |
| Combustion
residue % |
0.2 Max |
| Uncombined
acid HF % |
1.0 Max |
| Silicate (as
SiO2) % |
0.5 Max |
[Application] mainly used as glass etching
agents in the production of etched glass. Additionally, it
can be used as chemical polisher on the surface of metal,
disinfection and antiseptic of vintage,
mordant of fiber
and abstracting rare elements.
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