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Formula: Er
Form: Rod
Material: Erbium
CAS Number: 7440-52-0
Commodity: Metals
Purity: 99%
Production Method: Cast
Hazard Pictogram: GHS02
Erbium Rods are rare earth metal products offered within our wide range of specialty metals and alloys. With 14 variations available, these rods exhibit unique optical, magnetic and thermal properties. Due to their ability to emit light at specific wavelengths, Erbium Rods are used in fiber optic amplifiers, laser systems and metallurgical studies. Our selection of these rods enables researchers and engineers to select the optimal dimensions for their specific application.
Technical Data Sheet Safety Data Sheet Tolerance Properties

Flammable

each

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Tolerances

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

Material Properties for Metals

Atomic Properties
Element Value
Atomic number 68
Crystal structure Hexagonal close packed
Electronic structure Xe 4f¹² 6s²
Valences shown 3
Atomic weight( amu ) 167.26
Thermal neutron absorption cross-section( Barns ) 160
Natural isotope distribution( Mass No./% ) 166/ 33.4
Natural isotope distribution( Mass No./% ) 162/ 0.1
Natural isotope distribution( Mass No./% ) 168/ 27.0
Natural isotope distribution( Mass No./% ) 170/ 15.0
Natural isotope distribution( Mass No./% ) 167/ 22.9
Natural isotope distribution( Mass No./% ) 164/ 1.6
Atomic radius - Goldschmidt( nm ) 0.175
Ionisation potential( No./eV ) 2/ 11.93
Ionisation potential( No./eV ) 1/ 6.10
Mechanical Properties
Element Value
Material condition Polycrystalline
Poisson's ratio 0.207
Bulk modulus( GPa ) 41.8
Tensile modulus( GPa ) 73.3
Hardness - Vickers( kgf mm⁻² ) 70
Tensile strength( MPa ) 292
Yield strength( MPa ) 292
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 86@20@20°C
Temperature coefficient( K⁻¹ ) 0.00201@0-100°C
Physical Properties
Element Value
Boiling point( C ) 2863
Density( gcm⁻³ ) 9.051@20°C
Thermal Properties
Element Value
Melting point( C ) 1529
Latent heat of evaporation( J g⁻¹ ) 1680
Latent heat of fusion( J g⁻¹ ) 103
Specific heat( J K⁻¹ kg⁻¹ ) 168@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 14.5@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 9.2@0-100°C

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