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 |