Cerium Oxide Praseodymium
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Cerium Oxide Praseodymium
Cerium Oxide Praseodymium
| Product |
Cerium Oxide Praseodymium |
| Colour | Solid |
| Purity | 99% |
| Particle Size | 1-5µM(customizable) |
| Ingredient/MF | CeO2 / Pr |
| Product Code | NCZ-CP-387/20 |
| CAS Number | N/A |
| Density | N/A |
| Melting point | N/A C |
| Boiling Point | N/A |
| Molecular Weight      | N/A |
| Exact Mass     | N/A |
 Description
Cerium is a Block F, Group 3, Period 6 element with an atomic weight of 140.116. The number of electrons in each of cerium’s shells is 2, 8, 18, 19, 9, 2 and its electron configuration is [Xe]4f2 6s2. The cerium atom has a radius of 182.5 pm and a Van der Waals radius of 235 pm. In its elemental form, cerium has a silvery white appearance.
Cerium is the most abundant of the rare earth metals. It is characterized chemically by having two valence states, the +3 cerous and +4 ceric states. The ceric state is the only non-trivalent rare earth ion stable in aqueous solutions. It is, therefore, strongly acidic and moderately toxic. It is also a strong oxidizer.
The cerous state closely resembles the other trivalent rare earths. Cerium is found in the minerals allanite, bastnasite, hydroxylbastnasite, monazite, rhabdophane, synchysite and zircon. Cerium was discovered by Martin Heinrich Klaproth, Jöns Jakob Berzelius, and Wilh elm Hisinger in 1803 and first isolated by Carl Gustaf Mosander in 1839. The element was named after the asteroid Ceres.
Praseodymium is a Block F, Group 3, Period 6 element with an atomic weight of 140.90765. The number of electrons in each of praseodymium’s shells is 2, 8, 18, 21, 8, 2 and its electron configuration is [Xe]4f3 6s2. The praseodymium atom has a radius of 182 pm and a Van der Waals radius of 239 pm.
Praseodymium resembles the typical trivalent rare earths, however, it will exhibit a +4 state when stabilized in a zirconia host. Unlike other rare-earth metals, which show antiferromagnetic and / or ferromagnetic ordering at low temperatures, praseodymium is paramagnetic at any temperature above 1 K. Praseodymium is found in the minerals monazite and bastnasite.
Praseodymium was discovered by Carl Auer von Welsbach in 1885. The origin of the element name comes from the Greek words prasios didymos, meaning green twin.
Related Information
Storage Conditions:
Airtight sealed, avoid light and keep dry at room temperature.Â
Please contact us for customization and price inquiry
Email: contact@nanochemazone.com
Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.
Note: For pricing & ordering information, please contact us at sales@nanochemazone.com
Please contact us for quotes on Larger Quantities & Customization. E-mail: contact@nanochemazone.com
Customization:
If you are planning to order large quantities for your industrial and academic needs, please note that customization of parameters (such as size, length, purity, functionalities, etc.) are available upon request.
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