| Ni (%) | Cu (%) | Fe (%) | Leco S (%) |
Mean | 1.85 | 1.24 | 24.34 | 12.95 |
St. Dev. | 0.05 | 0.02 | 0.45 | 0.25 |
RSD (%) | 2.74 | 1.65 | 1.83 | 1.93 |