| Product | Terbium Nitrate | |||
| Grade | 99.999% | 99.99% | 99.9% | 99% |
| CHEMICAL COMPOSITION | ||||
| Tb4O7 /TREO (% min.) | 99.999 | 99.99 | 99.9 | 99 |
| TREO (% min.) | 40 | 40 | 40 | 40 |
| Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
| Eu2O3/TREO Gd2O3/TREO Dy2O3/TREO Ho2O3/TREO Er2O3/TREO Tm2O3/TREO Yb2O3/TREO Lu2O3/TREO Y2O3/TREO | 1 5 5 1 1 10 1 1 3 | 10 20 20 10 10 20 10 10 20 | 0.01 0.1 0.15 0.02 0.01 | 0.01 0.5 0.3 0.05 0.03 |
| Non-Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
| Fe2O3 SiO2 CaO Cl- CuO NiO ZnO PbO | 3 30 10 50 1 1 1 1 | 5 50 50 100 3 3 3 3 | 0.001 0.01 0.01 0.03 | 0.005 0.03 0.03 0.03 |