Search Thermo Fisher Scientific
table of Elements
Praseodymium
Praseodymium X-ray photoelectron spectra, praseodymium electron configuration, and other elemental information.
Join the conversation
Praseodymium • Lanthanide Rare Earth
Primary XPS region: Pr3d
Overlapping regions: Cu2p
Binding energies of common chemical states:
| Chemical state | Binding energy Pr3d5/2 |
|---|---|
| Pr metal | 932 eV |
Experimental information
- Collect entire Pr3d region (up to 990eV), making sure both Pr3d5/2 and Pr3d3/2 components are acquired.
Interpretation of XPS spectra
- There is direct overlap between Pr3d and Cu2p peaks.
- Although Pr3d/Cu2p peaks have strong overlap, Pr3d spin-orbit components have a 3:2 intensity ratio compared to a 2:1 ratio for Cu2p.
- Check for the weaker Cu3p peak at 75eV.
- Check the positions of Pr and Cu Auger peaks (primary Cu LMM peak at kinetic energy is 918eV, compared to primary Pr peak at kineitic energy is 690eV).
About this element
Symbol: Pr
Date of discovery: 1885
Name origin: Greek prasios and didymos
Appearance: unknown
Discoverer: C.F. Aver von Welsbach
Obtained from: salts
Melting point: 1208 K
Boiling point: 3400 K
Density[kg/m3]: 6640
Molar volume: 20.8 × 10-6 m3/mol
Protons/Electrons: 59
Neutrons: 82
Shell structure: 2,8,18,21,8,2
Electron configuration: [Xe]6s24f3
Oxidation state: 3
Crystal structure: hexagonal
Praseodymium should be stored under a light mineral oil or sealed in plastic, as it will develop a green coating which, in return, exposes more metal to oxidation. First discovered in 1885 by German chemist C. F. Auer von Welsbach, praseodymium’s primary use is as an alloying agent combined with magnesium to create high-strength metals for aircraft engines. Praseodymium is also a necessary element for studio lighting and projector lights used in the motion picture industry. This element forms the core of carbon arc lights. Praseodymium gives glasses and enamels a yellowish color. The element has no known biological role.
Products
Style Sheet for Instrument Cards Original
Style Sheet for Global Design System
Style Sheet for Komodo Tabs
Style Sheet to change H3 to p with em-h3-header class
Style Sheet to change H2 style to p with em-h2-header class
Style Sheet for Products Table Specifications
Style Sheet for Global Design System
Style Sheet for Komodo Tabs
Style Sheet to change H3 to p with em-h3-header class
Style Sheet to change H2 style to p with em-h2-header class
Style Sheet for Products Table Specifications
Fix for left nav
Style Sheet for Support and Service footer
Style Sheet for Fonts
Style Sheet for Cards
Electron microscopy services for
the materials science
To ensure optimal system performance, we provide you access to a world-class network of field service experts, technical support, and certified spare parts.
