Holmium Oxide
Formula: Ho2O3
CAS No.: 12055-62-8
Molecular Weight: 377.86
Appearance: Light yellow
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Stability: Slightly hygroscopic
Product Code |
HOO-5P |
HOO-4P |
HOO-3P |
HOO-2P |
Grade |
99.999% |
99.99% |
99.9% |
99% |
CHEMICAL COMPOSITION |
|
|
|
|
Ho2O3/TREO (% min.) |
99.999 |
99.99 |
99.9 |
99 |
TREO (% min.) |
99 |
99 |
99 |
99 |
Loss On Ignition (% max.) |
0.5 |
0.5 |
1 |
1 |
Rare Earth Impurities |
% max. |
% max. |
% max. |
% max. |
Tb4O7/TREO Dy2O3/TREO Er2O3/TREO Tm2O3/TREO Yb2O3/TREO Lu2O3/TREO Y2O3/TREO |
0.0001 0.0005 0.0005 0.0001 0.0001 0.0001 0.0001 |
0.0005 0.001 0.005 0.0005 0.0005 0.0005 0.001 |
0.01 0.03 0.03 0.005 0.005 0.005 0.01 |
0.1 0.3 0.3 0.1 0.01 0.01 0.05 |
Non-Rare Earth Impurities |
% max. |
% max. |
% max. |
% max. |
Fe2O3 SiO2 CaO Cl- CoO NiO CuO |
0.0002 0.001 0.003 0.005 0.0001 0.0001 0.0001 |
0.0005 0.001 0.005 0.005 0.0005 0.0005 0.0005 |
0.001 0.005 0.005 0.02 |
0.005 0.02 0.02 0.05 |
Application: Holmium Oxide is also called Holmia, has specialized uses in ceramics, glass,
phosphors and
metal halide lamp, and dopant to garnet laser. Holmium can absorb fission-bred neutrons, it is also used in
nuclear reactors to keep atomic chain reaction from running out of control.