Nd2O3/TREO (% min.) | 99.999 | 99.99 | 99.9 | 99 |
TREO (% min.) | 81 | 81 | 81 | 81 |
Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
La2O3/TREO CeO2/TREO Pr6O11/TREO Sm2O3/TREO Eu2O3/TREO Y2O3/TREO | 3 3 5 5 1 1 | 50 20 50 3 3 3 | 0.01 0.05 0.05 0.05 0.03 0.03 | 0.05 0.05 0.5 0.05 0.05 0.03 |
Non-Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
Fe2O3 SiO2 CaO CuO PbO NiO Cl- | 5 30 50 10 10 10 50 | 10 50 50 10 10 10 100 | 0.05 0.03 0.05 0.002 0.002 0.005 0.03 | 0.1 0.05 0.1 0.005 0.002 0.001 0.05 |