| 序号 | Cr | Mg | CrO3 (%) | MgO (%) | CrO3/MgO |
| 1# | 13.62 | 3.36 | 19.91 | 5.49 | 3.63 |
| 2# | 14.45 | 3.20 | 21.12 | 5.30 | 3.98 |
| 3# | 15.55 | 3.39 | 22.73 | 5.62 | 4.04 |