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Rare Earth Products > Thulium > Thulium Oxide > Thulium Oxide 99.9999%
Thulium Oxide 99.9999%
Thulium Oxide 99.9999%, code 6990
Formula: Tm2O3
CAS No.: 12036-44-1
Molecular Weight: 385.88
Density: 8.6 g/cm3
Melting point: 2341°C
Appearance: White powder
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Stability: Slightly  hygroscopic
Multilingual: ThuliumOxid, Oxyde De Thulium, Oxido Del Tulio
Thulium Oxide also called Thulia, is the important dopant for silica-based fibre amplifiers, and also have specialized uses in ceramics, glass, phosphors, lasers. Because the wavelength of thulium-based lasers is very efficient for superficial ablation of tissue, with minimal coagulation depth in air or in water. This makes thulium lasers attractive for laser-based surgery. It can also be used in portable X-ray devices that has been bombarded in a nuclear reactor as a radiation source. The other main application is used to make optical fiber.
Products available
Product Code: 6990 Standard Specification Typical Analysis Inspection Methods
Grade 99.9999% 99.9999%  
CHEMICAL COMPOSITION
Tm2O3 /TREO (% min.) 99.9999 99.9999
TREO (% min.) 99.9 99.9 Volumetric Method
Loss On Ignition (% max.) 0.5 0.5
Rare Earth Impurities ppm max. ppm
Tb4O7/TREO
Dy2O3/TREO
Ho2O3/TREO
Er2O3/TREO
Yb2O3/TREO
Lu2O3/TREO
Y2O3/TREO
0.1
0.1
0.1
0.5
0.5
0.5
0.1
0.1
0.08
0.1
0.5
0.3
0.3
0.05
ICP-Atomic Emission
Spectrographic
Non-Rare Earth Impurities ppm max. ppm
Fe2O3
SiO2
CaO
CuO
Cl-
NiO
ZnO
PbO
1
5
5
1
50
1
1
1
1
3
5
0.5
30
1
1
1
Spectrographic

Atomic Absorption Spectrographic
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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Praseodymium Oxide is used for color glasses and enamels, as well as important additive of Praseodymium yellow pigments.
Erbium Oxide is an important colorant in glasses and porcelain enamel glazes. High purity Erbium Oxide is widely applied as dopant in making optical fibre and amplifier.
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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