| Industrial Ammonium
Fluorid |
| Molecular formula: |
NH4F |
| Molecular weight: |
37.04 |
| Properties: |
white needle crystal; deliquescent; soluble in water;
slightly soluble in alcohol; decomposed into ammonia and ammonium
bifluoride in hot water;acidic aqueous solution; corrosive
to glass. |
| 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 fluorid(NH4F)%,≥ |
98.0 |
96.0 |
95.0 |
| Sulphate (based on SO4)%,≤ |
0.1 |
0.18 |
0.2 |
| Fluosilicate(based on SiF6)%,≤ |
2.0 |
2.5 |
3.0 |
| Residue on ignition%,≤ |
0.15 |
0.2 |
0.25 |
|
| Packing: |
Plastic knitted bag with high pressure polyethylene plastic
bag, 25 kg per bag.
|
