|
HYDROFLURIC ACID ELECTRONIC GRADE
| SPECIFICATION |
| HF M.W. 20.01 |
|
| Minimum assay |
48% |
| Maximum Limits of Impurities : |
|
| Residue on ignition |
0.0001% |
| Fluorosilicic Acid ( H2SiF6 ) |
0.001% |
| Heavy metals ( as Pb ) |
0.00005% |
| Copper ( Cu ) |
0.00001% |
| Iron ( Fe ) |
0.00001% |
| Potassium ( K ) |
0.00001% |
| Sodium ( Na ) |
0.00001% |
| Chloride ( CI ) |
0.00001% |
| Phosphate ( PO4 ) |
0.00001% |
| Sulphite ( SO4 ) |
0.00001% |
| Sulphate ( SO4 ) |
0.00001% |
|
