Terbium (III, IV) oxide (also known as tetraterbium heptaoxide) is relatively stable and easier to be stored. It is used as a redox catalyst in reactions involving oxygen. At high temperatures, it can liberate oxygen. It finds applications in the manufacture of glass, optic and ceramic. Nanoparticles of terbium oxide are used as analytical reagents for the determination of drugs in food. Tb4O7 is one of the main commercial terbium compounds. Terbium Oxide has important role as an activator 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. It is also frequently used as a dopant for crystalline solid-state devices and fuel cell materials. Terbium Oxide is one of the chief commercial Terbium compounds. Produced by heating the metal Oxalate,Terbium Oxide is then used in the preparation of other Terbium compounds.
Density Density: 8.33g/cm3
Appearance: Brown Powder
Melting point: 2337℃
Molecular formula: Tb4O7
Molar mass: 747.72 g/mol
Solubleness: Insoluble in water, moderately soluble in strong mineral acids
Stability: Slightly hygroscopic
Terbium Oxide Purity:
99% - 99,9999%
Product Name | Tb4O7_2N5 | Tb4O7_3N | Tb4O7_4N | 三氧化二铽_4N | ||
Chemical formula | Tb4O7 | Tb4O7 | Tb4O7 | Tb2O3 | ||
Total rare earths | % | ≥99 | ≥99 | ≥99 | ≥99 | |
Tb4O7/REO≥ | % | 99.5 | 99.9 | 99.99 | 99.99 | |
Burn L.O.I(1000℃,lhr) | % | ≤1 | ≤1 | ≤1 | —— | |
Granularity | D50 | μm | —— | —— | 4.2±0.7 | —— |
Non rare earth impurity content | CaO | µg/g | ≤100 | ≤20 | ≤5 | ≤5 |
Fe2O3 | µg/g | ≤50 | ≤20 | ≤2 | ≤3 | |
SiO2 | µg/g | ≤100 | ≤50 | ≤20 | ≤20 | |
Cl- | µg/g | ≤200 | ≤200 | ≤50 | ≤50 | |
Product Features | Dark brown powder, insoluble in water, soluble in acid | |||||
Application | Metal rhenium, three-primary phosphor, laser crystal material, magnetostrictive material, etc. | |||||
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