Product Properties
Name: Praseodymium Nitrate
Formula: Pr(NO3)3.6H2O
CAS No.: 15878-77-0
Molecular Weight: 434.92
Density:2.233 g/cm3
Melting point: 56ºC
Appearance: Green crystalline
Specification of Praseodymium Nitrate
| Pr6O11/TREO (% min.) | 99.999 | 99.99 | 99.9 | 99 |
| TREO (% min.) | 45 | 45 | 45 | 45 |
| Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
| La2O3/TREO CeO2/TREO Nd2O3/TREO Sm2O3/TREO Eu2O3/TREO Gd2O3/TREO Y2O3/TREO | 5 5 10 1 1 1 5 | 50 50 100 10 10 10 50 | 0.03 0.05 0.1 0.01 0.01 0.01 0.02 | 0.1 0.1 0.7 0.06 0.01 0.01 0.06 |
| Non-Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
| Fe2O3 SiO2 CaO CdO PbO | 5 50 100 10 10 | 10 100 100 10 10 | 0.004 0.02 0.011 | 0.045 0.03 0.02 |
Application of Praseodymium Nitrate
- Glass Coloring: Praseodymium nitrate is used to impart a delicate yellow-green color to glass. This application takes advantage of the specific light absorption characteristics of praseodymium ions, which can produce glass with various shades ranging from pale yellow to deep green, depending on the concentration and the presence of other coloring agents.
- Ceramics: Similarly, it can be used in ceramics for coloring purposes, adding vibrant colors to glazes and decorative ceramic products.
- Ferroelectric Materials: Praseodymium nitrate is used in the synthesis of ferroelectric materials, which exhibit spontaneous electrical polarization that can be reversed by the application of an external electric field. These materials are essential for various electronic devices, including capacitors, memory devices, and sensors.
- Catalysts: The compound can act as a precursor in the preparation of praseodymium-containing catalysts. These catalysts are utilized in a variety of chemical reactions, including the catalytic cracking of hydrocarbons and the reduction of emissions from automotive exhausts.
- Doping Agent: In fiber optics, praseodymium nitrate can be used as a doping agent in the manufacture of fiber amplifiers. Praseodymium-doped fibers are particularly useful in certain types of optical amplifiers and lasers that operate in specific wavelength ranges not effectively covered by other rare earth elements like erbium or neodymium.