Molecular formula : NH4F
Molecular weight : 37.04
Property : White needle crystal, soluble in water, slightly soluble in alcohol, decomposed into ammonia and ammonium bifluoride in hot water, into ammonium and hydrogen fluoride when heated.
Use : Glass etching agent, preservative for wood and brewing, disinfector, reagent for distilling rare element.
Product quality : Enterprise standard
|
Index name |
Top grade |
First grade |
Second grade |
|
Content of ammonium fluoride (NH4F) % , ≥
|
98.0 |
96.0 |
95.0 |
|
Sulfate (base on SO4 ) % , ≤
|
0.1 |
0.18
|
0.2
|
|
Fluosilicate (base on SiF6) % , ≤
|
2.0
|
2.5
|
3.0
|
|
Residue on ignition %, ≤ |
0.15 |
0.2 |
0.25 |
Casing : Plastic knitted bag with high pressure polyethylene plastic, 25 kg per bag.
Click here to safety data |
