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Lanthanum Pellets

Lanthanum Pellets are a type of pelletized material offered by Goodfellow within their range of rare earth metals. Lanthanum has a silvery-white luster and is soft, ductile and easily workable. It is paramagnetic at room temperature. Potential applications for lanthanum include use as a hydrogen storage medium and as an alloying element to improve magnesium's corrosion resistance. With its low density, metallurgical properties and chemical reactivity, lanthanum pellets have diverse uses across industrial, scientific and technological fields.
Formula: La
Percentage Purity: 99%
Maximum Lump Size: 25mm
Weight: 30g
CAS Number: 7439-91-0
UOM Code: 710-809-72
SKU: 1000125761
Product Code: LA00-LP-000100
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Tolerances

Pellets
Maximum Lump Size Nominal

Flammable

Tolerances

Pellets
Maximum Lump Size Nominal
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£366.21
each
  • Buy 5 for £296.63 each and save 19%
  • Buy 10 for £271.00 each and save 26%
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Material Properties for Metals

Atomic Properties
Mechanical Properties
Electrical Properties
Physical Properties
Thermal Properties
Atomic Properties
Element Value
Atomic number 57
Crystal structure Hexagonal close packed/Face centred cubic
Electronic structure Xe 5d¹ 6s²
Valences shown 3
Atomic weight( amu ) 138.9055
Thermal neutron absorption cross-section( Barns ) 8.9
Photo-electric work function( eV ) 3.5
Natural isotope distribution( Mass No./% ) 139/ 99.91
Natural isotope distribution( Mass No./% ) 138/ 0.09
Atomic radius - Goldschmidt( nm ) 0.187
Ionisation potential( No./eV ) 3/ 19.18
Ionisation potential( No./eV ) 1/ 5.58
Ionisation potential( No./eV ) 2/ 11.06
Mechanical Properties
Element Value
Material condition Polycrystalline
Poisson's ratio 0.28
Bulk modulus( GPa ) 24.8
Tensile modulus( GPa ) 37.9
Hardness - Vickers( kgf mm⁻² ) 40
Tensile strength( MPa ) 131
Yield strength( MPa ) 124
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 57@20@20°C
Superconductivity critical temperature( K ) 4.88
Temperature coefficient( K⁻¹ ) 0.00218@0-100°C
Physical Properties
Element Value
Boiling point( C ) 3457
Density( gcm⁻³ ) 6.174@20°C
Thermal Properties
Element Value
Melting point( C ) 921
Latent heat of evaporation( J g⁻¹ ) 2897
Latent heat of fusion( J g⁻¹ ) 60.2
Specific heat( J K⁻¹ kg⁻¹ ) 197@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 13.4@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 4.9@0-100°C