| Product | Scandium metal | |||
| Grade | 99.999% | 99.99% | 99.99% | 99.90% |
| CHEMICAL COMPOSITION | ||||
| Sc/TREM (% min.) | 99.999 | 99.99 | 99.99 | 99.9 |
| TREM (% min.) | 99.9 | 99.9 | 99 | 99 |
| Rare Earth Impurities | ppm max. | ppm max. | ppm max. | % max. |
| La/TREM | 2 | 5 | 5 | 0.01 |
| Ce/TREM | 1 | 5 | 5 | 0.005 |
| Pr/TREM | 1 | 5 | 5 | 0.005 |
| Nd/TREM | 1 | 5 | 5 | 0.005 |
| Sm/TREM | 1 | 5 | 5 | 0.005 |
| Eu/TREM | 1 | 5 | 5 | 0.005 |
| Gd/TREM | 1 | 10 | 10 | 0.03 |
| Tb/TREM | 1 | 10 | 10 | 0.005 |
| Dy/TREM | 1 | 10 | 10 | 0.05 |
| Ho/TREM | 1 | 5 | 5 | 0.005 |
| Er/TREM | 3 | 5 | 5 | 0.005 |
| Tm/TREM | 3 | 5 | 5 | 0.005 |
| Yb/TREM | 3 | 5 | 5 | 0.05 |
| Lu/TREM | 3 | 10 | 5 | 0.005 |
| Y/TREM | 5 | 50 | 50 | 0.03 |
| Non-Rare Earth Impurities | ppm max. | ppm max. | ppm max. | % max. |
| Fe | 50 | 150 | 500 | 0.1 |
| Si | 50 | 100 | 150 | 0.02 |
| Ca | 50 | 100 | 200 | 0.1 |
| Al | 30 | 100 | 150 | 0.02 |
| Mg | 10 | 50 | 80 | 0.01 |
| O | 100 | 500 | 1000 | 0.3 |
| C | 50 | 200 | 500 | 0.1 |
| Cl | 50 | 200 | 500 | 0.1 |