Main content (% min.) | Rare Earth Impurities (in TREM, ppm max.) | Non-Rare Earth Impurities (% max.) | ||||||||||||||||||
Tb/TREM | TREM* | Eu | Gd | Dy | Ho | Er | Tm | Yb | Lu | Y | Fe | Si | Ca | Al | Mg | W | Ta | O | C | Cl |
99.9 | 99 | 0.001 | 0.002 | 0.05 | 0.01 | 0.005 | 0.001 | 0.001 | 0.001 | 0.003 | 0.15 | 0.01 | 0.05 | 0.01 | 0.01 | 0.05 | 0.01 | 0.15 | 0.01 | 0.01 |