Product Code | 7070 | 7071 | 7073 | 7075 |
Grade | 99.9999% | 99.999% | 99.99% | 99.9% |
CHEMICAL COMPOSITION | ||||
Yb2O3 /TREO (% min.) | 99.9999 | 99.999 | 99.99 | 99.9 |
TREO (% min.) | 40 | 40 | 40 | 40 |
Rare Earth Impurities | ppm max. | ppm max. | ppm | % max. |
Tb4O7/TREO Dy2O3/TREO Ho2O3/TREO Er2O3/TREO Tm2O3/TREO Lu2O3/TREO Y2O3/TREO | 0.1 0.1 0.1 0.5 0.5 0.5 0.1 | 1 1 1 5 5 1 5 | 5 5 10 25 30 50 10 | 0.01 0.01 0.01 0.01 0.02 0.05 0.005 |
Non-Rare Earth Impurities | ppm max. | ppm max. | ppm | % max. |
Fe2O3 SiO2 CaO Cl- NiO ZnO PbO | 1 10 10 30 1 1 1 | 5 15 15 100 2 3 2 | 5 50 100 300 5 10 5 | 0.002 0.01 0.02 0.05 0.001 0.001 0.001 |