Neodymium oxide
Neodymium oxide
Formula: Nd2O3
CAS No.: 1313-97-9
Molecular Weight: 336.48
Density: 7.24 g/mL at 20 °C(lit.)
Melting point: 2270 °C
Appearance: Light blue powder
Solubility: Insoluble in water, moderately soluble in strong mineral acids Stability: Slightly hygroscopic
Multilingual: NeodymOxid, Oxyde De Neodyme, Oxido Del Neodymium
Application
Neodymium oxide, or neodymium(III) oxide, has a variety of important applications:
1. **Glass and Ceramics Colorant**: It's used to color glass and ceramics, often producing shades of purple, blue, or grey. This is particularly popular in protective glasses and sunglasses.
2. **Catalysts**: It serves as a catalyst in certain chemical reactions, particularly in petroleum refining and automotive catalytic converters.
3. **Electronics and Magnets**: It is a crucial component in the production of neodymium magnets, which are among the strongest permanent magnets and are widely used in various electronic devices.
4. **Laser Crystals**: Neodymium-doped crystals are used in solid-state lasers. These lasers have applications in medicine, industry, and research.
5. **Glass Additives**: It can be added to glass to alter its optical properties, such as in laser glasses and in light filters to protect against UV radiation.
6. **Phosphors and Luminescent Materials**: It's used in making phosphors for color televisions and fluorescent lighting.
| Test Item | Standard | Results |
| Nd2O3/TREO | ≥99.9% | >99.95% |
| Main Component TREO | ≥99% | 99.62% |
| RE Impurities (%/TREO) | ||
| La2O3 | ≤0.01 | 0.001 |
| CeO2 | ≤0.01 | 0.002 |
| Pr6O11 | ≤0.03 | 0.007 |
| Sm2O3 | ≤0.01 | 0.002 |
| Y2O3 | ≤0.01 | 0.001 |
| Non-RE Impurities (%) | ||
| Fe2O3 | ≤0.002 | 0.0003 |
| SiO2 | ≤0.005 | 0.003 |
| CaO | ≤0.01 | 0.004 |
| Al2O3 | ≤0.02 | <0.01 |
| Cl- | ≤0.02 | 0.007 |
| SO4-2 | ≤0.02 | 0.003 |
| L.O.I. | ≤1 | 0.22 |
| Conclusion | Comply with above standard. | |
This is only one spec for 99.9% purity, we can also provide 99.5%, 99.95% purity. Cerium oxide with special requirements for impurities can be customized according to customer's requirements.
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