Specification:
| Appearance | White powder | White powder |
| Purity (%) | ≥99.5 | 99.7 |
| Water (%) | ≤0.3 | 0.06 |
| Ash (%) | ≤0.08 | 0.02 |
| Chroma (Pt-Co) | ≤35 | 15 |
| Metlting point (℃) | 131.0-134.5 | 132.0-133.1 |
| Appearance | White powder | White powder |
| Purity (%) | ≥99.5 | 99.7 |
| Water (%) | ≤0.3 | 0.06 |
| Ash (%) | ≤0.08 | 0.02 |
| Chroma (Pt-Co) | ≤35 | 15 |
| Metlting point (℃) | 131.0-134.5 | 132.0-133.1 |