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Terbium oxide can be dissolved by perchloric acid and nitric acid at high temperatures, and emits bright green fluorescence during the dissolution process.
Used in the production of metal terbium, magneto-optical glass, phosphor, magneto-optical storage, chemical additives, etc.
Material name | Terbium oxide |
Formula | Tb2O3 |
CAS No. | 12036-41-8 |
EINECS NO. | 234-849-5 |
Molecular Weight | 365.85 |
Density | 7.910g/cm3 |
Melting point | 2410°C |
Appearance | White powder |
Purity/Specification (Tb2O3/REO) | 99%-99.999% |
Solubility | Stable at room temperature, insoluble in water, slightly soluble in acid. |
Terbium oxide is mainly used as a catalyst and additive for rare earth elements to improve the properties of materials.
It can be used to manufacture ceramic materials, glass, fibers and magnetic materials.
Terbium oxide can also be used in the manufacture of lasers, X-ray screens and pigments.
| Terbium Oxide Tb₄O7 | |||||||
| 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 %max. | LazO3 | Total 0.5 (Eu203+ Gd203+ Dy203+ Ho203+ Y203) | Total 0.1 (Eu203+ Gd203+ Dy203+ Ho203+ Y203) | Total 0.05 (Eu203+ Gd203+ Dy203+ Ho203+ Y203) | Total 0.002 | Total 0.001 | 0.00005 |
| CaO₂ | 0.00005 | ||||||
| Pr6011 | 0.00005 | ||||||
| Nd₂O3 | 0.00005 | ||||||
| Sm²O3 | 0.00005 | ||||||
| Er203 | 0.00005 | ||||||
| Tm203 | 0.00005 | ||||||
| Yb₂O3 | 0.00005 | ||||||
| Lu²O3 | 0.00005 | ||||||
| Eu²03 | 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 | ||||
| Y203 | 0.001 | 0.0005 | 0.00005 | ||||
| Non rare earth impurities %max. | 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 | |
| CT | 0.04 | 0.04 | 0.04 | 0.02 | 0.01 | 0.01 | |
| LO.I and Water %Max. | 1 | 1 | 1 | 1 | 1 | 1 | |
Terbium oxide can be dissolved by perchloric acid and nitric acid at high temperatures, and emits bright green fluorescence during the dissolution process.
Used in the production of metal terbium, magneto-optical glass, phosphor, magneto-optical storage, chemical additives, etc.
Material name | Terbium oxide |
Formula | Tb2O3 |
CAS No. | 12036-41-8 |
EINECS NO. | 234-849-5 |
Molecular Weight | 365.85 |
Density | 7.910g/cm3 |
Melting point | 2410°C |
Appearance | White powder |
Purity/Specification (Tb2O3/REO) | 99%-99.999% |
Solubility | Stable at room temperature, insoluble in water, slightly soluble in acid. |
Terbium oxide is mainly used as a catalyst and additive for rare earth elements to improve the properties of materials.
It can be used to manufacture ceramic materials, glass, fibers and magnetic materials.
Terbium oxide can also be used in the manufacture of lasers, X-ray screens and pigments.
| Terbium Oxide Tb₄O7 | |||||||
| 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 %max. | LazO3 | Total 0.5 (Eu203+ Gd203+ Dy203+ Ho203+ Y203) | Total 0.1 (Eu203+ Gd203+ Dy203+ Ho203+ Y203) | Total 0.05 (Eu203+ Gd203+ Dy203+ Ho203+ Y203) | Total 0.002 | Total 0.001 | 0.00005 |
| CaO₂ | 0.00005 | ||||||
| Pr6011 | 0.00005 | ||||||
| Nd₂O3 | 0.00005 | ||||||
| Sm²O3 | 0.00005 | ||||||
| Er203 | 0.00005 | ||||||
| Tm203 | 0.00005 | ||||||
| Yb₂O3 | 0.00005 | ||||||
| Lu²O3 | 0.00005 | ||||||
| Eu²03 | 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 | ||||
| Y203 | 0.001 | 0.0005 | 0.00005 | ||||
| Non rare earth impurities %max. | 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 | |
| CT | 0.04 | 0.04 | 0.04 | 0.02 | 0.01 | 0.01 | |
| LO.I and Water %Max. | 1 | 1 | 1 | 1 | 1 | 1 | |
