Main content (% min.) | Rare Earth Impurities (in TREM, % max.) | Non-Rare Earth Impurities (% max.) | ||||||||||||||
La/TREM | TREM* | Ce | Pr | Nd | Sm | Eu | Gd | Y | Fe | Si | Ca | Al | Mg | Zn | C | Cl |
99.9 | 99.5 | 0.05 | 0.05 | 0.01 | 0.005 | 0.005 | 0.005 | 0.01 | 0.1 | 0.03 | 0.02 | 0.1 | 0.1 | 0.15 | 0.05 | 0.05 |