Specification
| Appearance | Yellow green powder | Conform |
| Effective content (%) | ≥98.5 | 99.1 |
| Melting point (°) | 216-220 | 217 |
| Fineness | 100-200 | 150 |
| Ash (%) | ≤0.3 | 0.12 |
| Appearance | Yellow green powder | Conform |
| Effective content (%) | ≥98.5 | 99.1 |
| Melting point (°) | 216-220 | 217 |
| Fineness | 100-200 | 150 |
| Ash (%) | ≤0.3 | 0.12 |