Customization: | Available |
---|---|
CAS No.: | 12037-01-3 |
Formula: | Tb4o7 |
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99.9%-99.99% Terbium Oxide
Appearance: brown powder
Formula: Tb4O7
Formula weight: 747.69
CAS No.: 12037-01-3
EINECS No.: 234-856-3
Density: 7.3g/cm3
Purity( Tb4O7/ REO): 5N(99.999%)
Terbium Oxide is mainly used to make metal Terbium , optical glasses , fluorescent materials , magnetic optical storage , magnetic materials and additive for garnet
Terbium Oxide Tb4O7 |
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Purity |
2N5 |
3N |
3N5 |
4N |
4N5 |
5N |
|
REO % min. |
99 |
99 |
99 |
99 |
99 |
99 |
|
Tb4O7 /REO% min. |
99.5 |
99.9 |
99.95 |
99.99 |
99.995 |
99.999 |
|
Rare earth impurities |
La2O3 |
Total 0.5 (Eu2O3+ |
Total 0.1 (Eu2O3+ |
Total 0.05 (Eu2O3+ |
Total 0.002 |
Total 0.001 |
0.00005 |
CaO2 |
0.00005 |
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Pr6O11 |
0.00005 |
||||||
Nd2O3 |
0.00005 |
||||||
Sm2O3 |
0.00005 |
||||||
Er2O3 |
0.00005 |
||||||
Tm2O3 |
0.00005 |
||||||
Yb2O3 |
0.00005 |
||||||
Lu2O3 |
0.00005 |
||||||
Eu2O3 |
0.002 |
0.001 |
0.00005 |
||||
Gd4O7 |
0.002 |
0.001 |
0.0001 |
||||
Dy2O3 |
0.002 |
0.001 |
0.0002 |
||||
Ho2O3 |
0.001 |
0.0005 |
0.00005 |
||||
Y2O3 |
0.001 |
0.0005 |
0.00005 |
||||
Non rare earth impurities |
Fe2O3 |
0.002 |
0.002 |
0.002 |
0.0005 |
0.0003 |
0.0003 |
CaO |
0.005 |
0.005 |
0.005 |
0.002 |
0.001 |
0.001 |
|
SiO2 |
0.01 |
0.01 |
0.01 |
0.003 |
0.003 |
0.003 |
|
Cl- |
0.04 |
0.04 |
0.04 |
0.02 |
0.01 |
0.01 |
|
L.O.I and Water % Max. |
1 |
1 |
1 |
1 |
1 |
1 |