| |
| 1. |
Molecular Formula:NH4HF2 |
| 2. |
Molecular Weight:57.04 |
| 3. |
Property:White,rhombus or flake crystal,poisonous,hardly
dissolved in alcohol,stable in dry state,the aqueous solution is acidity,deliquescence
in air,causticity on glass. |
| 4. |
Specificatios
Assay:≥98.5%
Impurity level:
|
| |
| Impurity name |
Index |
| Chloride(Cl) |
≤0.1% |
| Sulfate(SO4) |
≤0.05% |
| Silicate(SiO3) |
≤0.6% |
| Lead(Pb) |
≤0.005% |
| Iron(Fe) |
≤0.01% |
| Ignited Residue |
≤0.1% |
|
| 5. |
Usage:used as analytical reagent,bacterium
inhibitor,engraving pottery and glass ,and treating surface of Si-Iron.
|
| 6. |
Packing:25kg plastic woven bag. |
| 7. |
Caution at transportation:Damp-proof,inorganic
poison.UN No:1727.Stipulated number of dangerous goods:83019.Class
of risk:8 Packing:grade II |
|