Item |
Top grade |
First grade |
Appearance |
Clear, no suspended matter, no mechanical impurities |
|
Chroma (Pt-Co) No. ≤ |
10 |
10 |
Acidity (calculated as HCl)% ≤ |
0.0004 |
0.0004 |
Moisture %, ≤ |
0.010 |
0.020 |
Residue on Evaporation % ≤ |
0.0005 |
0.0005 |
Chloride% ≤ |
0.0005 |
0.0005 |
Purity% ≥ |
99.95 |
99.90 |