Technical Data Sheet
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Lanthanum Rod

Lanthanum Rods are a new offering from our ever-expanding range of metal rods. Available in 10 variations, they’re composed of lanthanum, a silvery white metallic element valued for its unique magnetic, optical and electrical properties. With high ductility and malleability, these rods are used in research settings investigating superconductivity, as well as in the manufacturing of optical instruments and camera/telescope lenses. The variations in size and composition we offer make Lanthanum Rods suitable for exploring a wide breadth of experimental and industrial applications.
Percentage Purity: 99%
Length: 100mm
Technical Name: Lanthanum
Formula: La
Density: 6.19g/cm³
CAS Number: 7439-91-0
Production Method: Cast
Diameter: 6.35mm
UOM Code: 633-770-17
SKU: 1000125773
Product Code: LA00-RD-000110

Tolerances

Rod
Diameter =<10mm ±10%
Diameter >10mm ±5%

Flammable

No Minimum order Despatch of products in stock within 48 hours Free technical support *Free delivery worldwide
€1,793.68
each
  • Buy 5 for €1,452.88 each and save 19%
  • Buy 10 for €1,327.32 each and save 26%

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may apply for some hazardous materials.

Tolerances

Rod
Diameter =<10mm ±10%
Diameter >10mm ±5%
Technical Data Sheet
Safety Data Sheet

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Material Properties for Metals

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
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