| Product Name | Lutetium Oxide | |||
| Lu2O3 /TREO (% min.) | 99.9999 | 99.999 | 99.99 | 99.9 |
| TREO (% min.) | 99.9 | 99 | 99 | 99 |
| Loss On Ignition (% max.) | 0.5 | 0.5 | 1 | 1 |
| Rare Earth Impurities | ppm max. | ppm max. | ppm max. | % max. |
| Tb4O7/TREO Dy2O3/TREO Ho2O3/TREO Er2O3/TREO Tm2O3/TREO Yb2O3/TREO Y2O3/TREO | 0.1 0.2 0.2 0.2 0.2 0.3 0.2 | 1 1 1 5 5 3 2 | 5 5 10 25 25 50 10 | 0.001 0.001 0.001 0.001 0.01 0.05 0.001 |
| Non-Rare Earth Impurities | ppm max. | ppm max. | ppm max. | % max. |
| Fe2O3 SiO2 CaO Cl- NiO ZnO PbO | 1 10 10 30 1 1 1 | 3 30 50 100 2 3 2 | 5 50 100 200 5 10 5 | 0.001 0.01 0.02 0.03 0.001 0.001 0.001 |