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- Holmium oxide
Holmium Oxide
Formula Ho2O3
CAS: 12055-62-8 MDL: MFCD00011053 EINECS: 235-015-3
Molecular Weight 377.86
Appearance Light yellow powder
Solubility Insoluble in water, moderately soluble in strong mineral acids
Stability Slightly hygroscopic
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.
Standard Specifications
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 |
We can also accept inquiries for other Rare earth compounds: Lanthanum, Cerium, Neodymium, Praseodymium, Samarium, Europium, Gadolinium, Dysprosium, Terbium, Holmium, Erbium, Ytterbium, Lutetium, Thulium, Scandium and Yttrium.
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