Product Properties
Product: Holmium Nitrate;Holmium(III) Nitrate Hexahydrate
Formula: Ho(NO3)3.xH2O
CAS No.: 14483-18-2
Molecular Weight: 350.93 (anhy)
Density: N/A
Melting point: 91-92ºC
Appearance: Yellow crystalline
Specification of Holmium Nitrate
| Product Code | Holmium Nitrate | |||
| Grade | 99.999% | 99.99% | 99.9% | 99% |
| CHEMICAL COMPOSITION | ||||
| Ho2O3 /TREO (% min.) | 99.999 | 99.99 | 99.9 | 99 |
| TREO (% min.) | 39 | 39 | 39 | 39 |
| Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
| Tb4O7/TREO Dy2O3/TREO Er2O3/TREO Tm2O3/TREO Yb2O3/TREO Lu2O3/TREO Y2O3/TREO | 1 5 5 2 2 1 1 | 20 20 50 10 10 10 10 | 0.01 0.05 0.05 0.005 0.005 0.005 0.01 | 0.1 0.3 0.3 0.1 0.01 0.01 0.051 |
| Non-Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
| Fe2O3 SiO2 CaO Cl- CoO NiO CuO | 2 10 30 50 1 1 1 | 5 100 50 50 5 5 5 | 0.023 0.005 0.005 0.032 | 0.005 0.02 0.02 0.05 |
Application of Holmium Nitrate
Catalysis: Holmium nitrate can act as a catalyst in chemical reactions. Its use in catalysis often exploits the rare earth element’s ability to facilitate various organic and inorganic transformations, improving reaction rates and selectivities.
Optical Materials: In the preparation of optical materials, holmium nitrate can be used to dope glasses and crystals. Doping with holmium provides materials that have specific absorption and emission properties, useful in laser technology and optical fibers. Holmium-doped materials are utilized in lasers that operate in the visible and near-infrared spectra, including those used for medical and industrial applications.
Colorants and Pigments: The compound can serve as a precursor for synthesizing holmium oxides and other holmium-containing compounds used as colorants in glasses and ceramics. These materials can display a wide range of colors and are used in both artistic and industrial applications to create colored glass and ceramic products with specific optical properties.
Nuclear Technology: Similar to other rare earth elements, holmium nitrate solutions can be used in nuclear science and technology, particularly in the preparation of materials for nuclear reactors. The specific absorption properties of holmium, including its ability to absorb neutrons, make it valuable in certain nuclear applications, although this use is more specialized and less common compared to other holmium compounds.