Product Description
Holmium Oxide
Formula: Ho2O3
CAS No.: 12055-62-8
Molecular Weight: 377.86
Purity: 99.9
Density: 1.0966 G/Ml at 25 °c
Melting point: 1356°c
Appearance: Light yellow powder
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Stability: Slightly hygroscopic
APPLICATIONS
Holmium oxide, also known as holmia, is a rare earth oxide with the chemical formula Ho2O3. It has several applications:
1. Colorants:
Holmium oxide is used to color glasses and cubic zirconias with a yellow or red tint. These colored glasses are used in calibration standards for optical spectrophotometers.
2. Control Materials:
In nuclear reactors, holmium oxide is used as a neutron absorber due to its ability to absorb thermal neutrons.
3. Magnets:
Holmium oxide is utilized in making permanent magnets. Holmium, when combined with other rare earth elements, can create strong magnetic fields.
4. Catalysis:
It serves as a catalyst in various chemical reactions, particularly in organic synthesis.
5. Ceramics and Glass:
Holmium oxide is used in specialty glass and ceramic production, imparting unique properties to these materials.
6. Scientific Research:
It has applications in scientific research, particularly in the fields of spectroscopy and quantum computing.
7. Optical Devices:
Due to its unique optical properties, holmium oxide is used in certain optical devices and applications, such as optical filters.
8. Medical Technology:
In some cases, holmium oxide is used in medical imaging and therapeutic techniques due to its radioactive properties when exposed to neutron sources.
These applications leverage the unique chemical, physical, and optical properties of holmium oxide, demonstrating its versatility in various industrial and scientific fields.
Test Item |
Standard |
Results |
Ho2O3/TREO |
≥99.9% |
>99.9% |
Main Component TREO |
≥99% |
99.6% |
RE Impurities (ppm/TREO) |
La2O3 |
≤2 |
1.2 |
CeO2 |
≤2 |
1.1 |
Pr6O11 |
≤1 |
0.3 |
Nd2O3 |
≤1 |
0.3 |
Sm2O3 |
≤1 |
0.2 |
Eu2O3 |
≤1 |
0.1 |
Gd2O3 |
≤1 |
0.8 |
Tb4O7 |
≤1 |
10.5 |
Dy2O3 |
≤1 |
0.6 |
Yb2O3 |
≤1 |
0.2 |
Tm2O3 |
≤1 |
0.3 |
Y2O3 |
≤2 |
0.5 |
Lu2O3 |
≤2 |
0.6 |
Non-RE Impurities (ppm) |
CaO |
≤10 |
3 |
Fe2O3 |
≤10 |
3 |
CuO |
≤5 |
2 |
SiO2 |
≤10 |
3 |
Cl- |
≤20 |
10 |
LOI |
≤1% |
0.32% |
Conclusion |
Comply with above standard Brand: Epoch |
Holmium Oxide is only one spec for 99.9% purity, we can also provide 99.99% purity. Holmium Oxide with special requirements for impurities can be customized according to customer's requirements.
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Service we can provide:
1) Formal contract can be signed
2)Confidentiality agreement can be signed
3) Seven days refund guarantee
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FAQ
1) Are you manufacture or trade?
We are manufacturer, our factory is located in Baotou City,Inner Mongolia Autonomous Region, but we can also provide one stop purchasing service for you!
2)Payment terms
T/T(telex transfer), Western Union, MoneyGram, BTC(bitcoin), etc.
3)Lead time
≤25kg: within three working days after payment received.
>25kg: one week
4)Sample Available
We can provide small free samples for quality evaluation purpose!
5)Package
1kg per bag fpr samples, 25kg or 50kg per drum, or as you required.
6)Storage
Store the container tightly closed in a dry, cool and well-ventilated place.