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Rare Earth Products > Terbium > Terbium Oxide
Terbium Oxide
Terbium Oxide
Formula: Tb4O7
CAS No.: 12037-01-3
Molecular Weight: 747.69
Density: 7.3 g/cm3
Melting point: 1356°C
Appearance: Brown powder
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Stability: Slightly  hygroscopic
Multilingual: TerbiumOxid, Oxyde De Terbium, Oxido Del Terbio
Terbium Oxide, also called Terbia, 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.
Products available
Product Code 6590 6591 6593 6595 6597
Grade 99.9999% 99.999% 99.99% 99.9% 99%
CHEMICAL COMPOSITION
Tb4O7/TREO (% min.) 99.9999 99.999 99.99 99.9 99
TREO (% min.) 99.5 99 99 99 99
Loss On Ignition (% max.) 0.5 0.5 0.5 1 1
Rare Earth Impurities ppm max. ppm max. ppm max. % max. % max.
Eu2O3/TREO
Gd2O3/TREO
Dy2O3/TREO
Ho2O3/TREO
Er2O3/TREO
Tm2O3/TREO
Yb2O3/TREO
Lu2O3/TREO
Y2O3/TREO
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
1
5
5
1
1
5
1
1
3
10
20
20
10
10
10
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. ppm max. % max. % max.
Fe2O3
SiO2
CaO
CuO
NiO
ZnO
PbO
2
10
10
2
30
10
1
1
1
1
5
50
50
3
3
3
3
0.001
0.01
0.01
0.005
0.03
0.03
The standard specifications are only for reference, custom specification manufactures are welcomed. More detailed information including MSDS sheet, lot weight, packing condition, lead time and price are all ready on request, please just click at Request for Quotation, you will receive our prompt reply within 24 hours.
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Yttrium Metal is widely applied in making speciality alloys, it increases the strengths of alloys of metals such as chromium, aluminium, and magnesium.
Ytterbium Chloride is applied to numerous fiber amplifier and fiber optic technologies. High purity grades are widely applied as a doping agent for garnet crystals in lasers.
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