Item | Lanthanum Metal 3N5 | Lanthanum Metal 3N | Lanthanum Metal 2N |
La/TREM (% min.) | 99.95 | 99.9 | 99 |
TREM (% min.) | 99.5 | 99.5 | 99 |
Rare Earth Impurities | % max. | % max. | % max. |
Ce/TREM Pr/TREM Nd/TREM Sm/TREM Eu/TREM Gd/TREM Y/TREM | 0.05 0.01 0.01 0.001 0.001 0.001 0.001 | 0.05 0.05 0.01 0.005 0.005 0.005 0.01 | 0.1 0.1 0.1 0.1 0.1 0.1 0.1 |
Non-Rare Earth Impurities | % max. | % max. | % max. |
Fe Si Ca Al Mg C Cl | 0.1 0.025 0.01 0.05 0.01 0.03 0.01 | 0.2 0.03 0.02 0.08 0.03 0.05 0.02 | 0.5 0.05 0.02 0.1 0.05 0.05 0.03 |