Product Code | 6940 | 6941 | 6943 | 6945 |
Grade | 99.9999% | 99.999% | 99.99% | 99.9% |
CHEMICAL COMPOSITION | ||||
Tm2O3 /TREO (% min.) | 99.9999 | 99.999 | 99.99 | 99.9 |
TREO (% min.) | 81 | 81 | 81 | 81 |
Rare Earth Impurities | ppm max. | ppm max. | ppm max. | % max. |
Tb4O7/TREO Dy2O3/TREO Ho2O3/TREO Er2O3/TREO Yb2O3/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 1 | 10 10 10 25 25 20 10 | 0.005 0.005 0.005 0.05 0.01 0.005 0.005 |
Non-Rare Earth Impurities | ppm max. | ppm max. | ppm max. | % max. |
Fe2O3 SiO2 CaO CuO NiO ZnO PbO | 1 5 5 1 50 1 1 1 | 3 10 10 1 100 2 3 2 | 5 50 100 5 300 5 10 5 | 0.002 0.01 0.03 0.001 0.03 0.001 0.001 0.001 |