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Thulium Oxide
Thulium Oxide
Formula：Tm2O3
Description: White powder, insoluble in water, soluble in acids.
Uses: Used as portable X ray transmission device and reactor control material.
|
Code |
Tm-2N |
Tm-3N |
|
TREO min% |
99 |
99 |
|
Tm2O3/TREO min % |
99 |
99.9 |
|
RE-impurities max % |
||
|
Dy2O3/TREO |
total 1.0 |
total 0.1 |
|
Ho2O3/TREO |
||
|
Er2O3/TREO |
||
|
Yb2O3/TREO |
||
|
Lu2O3/TREO |
||
|
Non-RE-impurities max % |
||
|
Fe2O3 |
0.005 |
0.005 |
|
SiO2 |
0.006 |
0.006 |
|
CaO |
0.01 |
0.01 |
|
Cl- |
0.03 |
0.03 |
Thulium emits blue light upon excitation, a property that is exploited in flat panel display screens. Thulium also has useful applications in low-levelradiation detection and other luminescence applications, such as halide discharge lamps. Flat panel screens depend critically on bright blue emitters. Thulium is available as metal and compounds with purities from 99% to 99.999% (ACS grade to ultra-high purity). Elemental or metallic forms include pellets, rod, wire and granules for evaporation source material purposes. Thulium oxide is available in powder and dense pellet form for such uses as optical coating and thin film applications. Oxides tend to be insoluble. Terbium fluorides is another insoluble form for uses in which oxygen is undesirable such as metallurgy, chemical and physical vapor deposition and in some optical coatings. Thulium is also available in soluble forms including chlorides, nitrates and acetates. These compounds can be manufactured as solutions at specified stoichiometries.