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Praseodymium (Pr) Metal

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Praseodymium (Pr) Metal
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Additional information

Item Number

ME59
Product Name

Praseodymium (Pr) Metal
CAS Number

7440-10-0
M. F.

Pr
Purity

99%; 99,9% (REM)
Form*

Silvery lump pieces, ingots, rod, foil, wire, etc.
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Description:

Praseodymium (Pr) is a soft, silvery, malleable rare-earth metal belonging to the lanthanide series. It slowly oxidizes in air, forming a green oxide layer.

  • CAS No.: 7440-10-0
  • Atomic Number: 59
  • Atomic Weight: 140.91 g/mol
  • Density: 6.77 g/cm³
  • Melting Point: 931°C (1,708°F)
  • Boiling Point: 3,520°C (6,368°F)
  • Magnetic Properties: Paramagnetic at room temperature

  Key Properties:

  • High corrosion resistance (when stored properly)
  • Strong absorption of neutrons (useful in nuclear applications)
  • Forms colorful compounds (green oxides, yellow salts)
  • Excellent alloying properties (enhances strength & workability)

Applications:

Magnets & Alloys

  • Used in high-strength permanent magnets (e.g., Pr-Nd-Fe-B alloys for motors, wind turbines, and headphones).
  • Improves heat resistance in NdFeB magnets.

Glass & Optics

  • Decolorizer and colorant for specialized glasses (produces yellow-green hues).
  • Used in welder’s goggles (absorbs infrared radiation).
  • Key component in fiber optic amplifiers.

Catalysts & Chemical Processes

  • Used in automotive catalytic converters (reduces emissions).
  • Acts as a cracking catalyst in petroleum refining.

 Ceramics & Pigments

  • Praseodymium yellow (Pr-ZrSiO₄) – A stable, bright yellow pigment for ceramics and paints.
  • Used in glazes and artistic glassware.

 Nuclear Applications

  • Neutron absorber in control rods for nuclear reactors.
  • Used in radiation shielding research.

Electronics & Superconductors

  • Used in high-temperature superconductors.
  • Found in laser materials (e.g., Pr:YLF lasers).

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