Main content (% min.) | Rare Earth Impurities (in TREM, % max.) | Non-Rare Earth Impurities (% max.) | ||||||||||||||
Sm/TREM | TREM* | La | Ce | Pr | Nd | Eu | Gd | Y | Fe | Si | Ca | Al | Mg | Mn | O | C |
99.9 | 99.5 | 0.01 | 0.01 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.01 | 0.01 | 0.01 | 0.02 | 0.001 | 0.01 | 0.03 | 0.015 |