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Formula: Pr
Form: Pellet/Lump
Material: Praseodymium
CAS Number: 7440-10-0
Commodity: Metals
Purity: 99%
Maximum Lump Size: 25mm
Hazard Pictogram: GHS02
Praseodymium Pellets offered by Goodfellow are high-purity praseodymium metal formed into cylindrical pellets. Praseodymium has a silver-white luster and is soft and malleable. It has unique magnetic properties and the highest magnetic susceptibility of any element. These pellets find use in applications such as glass coloring, didymium glass, flint ignition, lighter flints, and compounds for use as a catalyst. Praseodymium pellets are part of Goodfellow's extensive range of rare earth metals and alloys available in various forms like wire, foil, lump, powder, sputtering target, evaporation material, and more.
Technical Data Sheet Safety Data Sheet Tolerance Properties

Flammable

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Tolerances

Pellet/Lump
Maximum Lump Size Nominal

Material Properties for Metals

Atomic Properties
Element Value
Atomic number 59
Crystal structure Hexagonal close packed
Electronic structure Xe 4f³ 6s²
Valences shown 3,4
Atomic weight( amu ) 140.9077
Thermal neutron absorption cross-section( Barns ) 11.5
Atomic radius - Goldschmidt( nm ) 0.183
Ionisation potential( No./eV ) 1/ 5.42
Ionisation potential( No./eV ) 2/ 10.55
Ionisation potential( No./eV ) 4/ 38.95
Ionisation potential( No./eV ) 5/ 57.45
Ionisation potential( No./eV ) 3/ 21.62
Mechanical Properties
Element Value
Material condition Polycrystalline
Poisson's ratio 0.312
Bulk modulus( GPa ) 31.2
Tensile modulus( GPa ) 35.2
Hardness - Vickers( kgf mm⁻² ) 40
Tensile strength( MPa ) 110
Yield strength( MPa ) 103
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 68@20@20°C
Temperature coefficient( K⁻¹ ) 0.00171@0-100°C
Physical Properties
Element Value
Boiling point( C ) 3512
Density( gcm⁻³ ) 6.782@20°C
Thermal Properties
Element Value
Melting point( C ) 931
Latent heat of evaporation( J g⁻¹ ) 2343
Latent heat of fusion( J g⁻¹ ) 80
Specific heat( J K⁻¹ kg⁻¹ ) 192@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 12.5@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 4.8@0-100

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