Description
Terbium oxide
Fomila: Tb4O7
CAS NO.:12037-01-3
Appearance:brown
Solubility:insoluble in water,moderately in strong mineral acids
Stability:slightly hygroscopic
Application:Terbium oxide,also called Trbia,has important role as an acticator for green phosphors used in color TV tubes,Meanwhile Terbium oxide is also used in special lasers and as a dopant in solid-state devices
Packing:inner packing with double sealed film bag,each bag 10kg,and load in plastic drum.5bag into a barrel,net weight 50kg,or according to the requirements of customer
Specification:
| Grade | 99.999% | 99.99% | 99.9% | 99% |
| Tb4O7/TREO (% min.) | 99.999 | 99.99 | 99.9 | 99 |
| TREO (% min.) | 99 | 99 | 99 | 99 |
| Loss On Ignition (% max.) | 0.5 | 0.5 | 1 | 1 |
| Rare Earth Impurities | % max. | % max. | % max. | % max. |
| Eu2O3/TREO Gd2O3/TREO Dy2O3/TREO Ho2O3/TREO Er2O3/TREO Tm2O3/TREO Yb2O3/TREO Lu2O3/TREO Y2O3/TREO |
0.0001 0.0005 0.0005 0.0001 0.0001 0.0001 0.0001 0.0001 0.0003 |
0.001 0.002 0.002 0.001 0.001 0.001 0.001 0.001 0.001 |
0.01 0.1 0.15 0.02 0.01 |
0.01 0.5 0.3 0.05 0.03 |
| Non-Rare Earth Impurities | % max. | % max. | % max. | % max. |
| Fe2O3 SiO2 CaO CuO NiO ZnO PbO |
0.0001 0.003 0.001 0.0001 0.0001 0.0001 0.0001 |
0.0005 0.005 0.005 0.0003 0.0003 0.0003 0.0003 |
0.001 0.01 0.01 |
0.005 0.03 0.03 |
Information is up-to-date: 07.03.2018
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