Dy2O3 /TREO (% min.) | 99.9999 | 99.999 | 99.99 | 99.9 | 99 |
TREO (% min.) | 99.5 | 99 | 99 | 99 | 99 |
Loss On Ignition (% max.) | 0.5 | 0.5 | 0.5 | 1 | 1 |
Rare Earth Impurities | ppm max. | ppm max. | ppm max. | % max. | % max. |
Gd2O3/TREO Tb4O7/TREO Ho2O3/TREO Er2O3/TREO Tm2O3/TREO Yb2O3/TREO Lu2O3/TREO Y2O3/TREO | 0.1 0.2 0.2 0.3 0.1 0.1 0.2 0.2 | 1 5 5 1 1 1 1 5 | 20 20 100 20 20 20 20 20 | 0.005 0.03 0.05 0.01 0.005 0.005 0.01 0.005 | 0.05 0.2 0.3 0.3 0.3 0.3 0.3 0.05 |
Non-Rare Earth Impurities | ppm max. | ppm max. | ppm max. | % max. | % max. |
Fe2O3 SiO2 CaO CuO NiO ZnO PbO Cl- | 1 10 10 5 1 1 1 50 | 2 50 30 5 1 1 1 50 | 10 50 80 5 3 3 3 100 | 0.001 0.015 0.01 0.01 | 0.003 0.03 0.03 0.02 |