| Item | Specification | Result | Conclusion |
| Appearance | gray or light brown powder | light brown powder | qualified |
| Manganese content(%) | ≥43.5 | 44.05 | qualified |
| cadmium(g/kg) | ≤0.01 | 0.0004 | qualified |
| lead(g/kg) | ≤0.005 | 0.000 6 | qualified |
| arsenic(g/kg) | ≤0.01 | 0.0002 | qualified |
| Loss on dry(%) | ≤1.0 | 0.48 | qualified |
| Sulfate(%) | ≤0.5 | 0.43 | qualified |
