Pr6O11/TREO (% min.) | 99.999 | 99.99 | 99.9 | 99 |
TREO (% min.) | 45 | 45 | 45 | 45 |
Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
La2O3/TREO CeO2/TREO Nd2O3/TREO Sm2O3/TREO Eu2O3/TREO Gd2O3/TREO Y2O3/TREO | 5 5 10 1 1 1 5 | 50 50 100 10 10 10 50 | 0.03 0.05 0.1 0.01 0.01 0.01 0.01 | 0.1 0.1 0.7 0.05 0.01 0.01 0.05 |
Non-Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
Fe2O3 SiO2 CaO CdO PbO | 5 50 100 10 10 | 10 100 100 10 10 | 0.003 0.02 0.01 | 0.005 0.03 0.02 |