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Formula: Tm
Form: Rod
Material: Thulium
CAS Number: 7440-30-4
Commodity: Metals
Purity: 99%
Diameter: 6mm
Production Method: Cast
Hazard Pictogram: GHS02
Thulium Rods offer this rare earth element in 2 variations. Thulium has excellent thermal and electrical conductivity, as well as magnetic properties. These rods are used in lasers, magnets and scintillators. Their uniform shape also makes them ideal for experimental procedures in materials science and physics. With high purity and precise dimensions, our thulium rods enable researchers to study this unique element's properties.
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 69
Crystal structure Hexagonal close packed
Electronic structure Xe 4f¹³ 6s²
Valences shown 2,3
Atomic weight( amu ) 168.9342
Thermal neutron absorption cross-section( Barns ) 115
Atomic radius - Goldschmidt( nm ) 0.174
Ionisation potential( No./eV ) 1/ 6.18
Ionisation potential( No./eV ) 3/ 23.71
Ionisation potential( No./eV ) 2/ 12.05
Mechanical Properties
Element Value
Hardness - Brinell 53
Material condition Polycrystalline
Poisson's ratio 0.235
Bulk modulus( GPa ) 40.5
Tensile modulus( GPa ) 76
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 90@20@20°C
Temperature coefficient( K⁻¹ ) 0.00195@0-100°C
Physical Properties
Element Value
Boiling point( C ) 1947
Density( gcm⁻³ ) 9.322@25°C
Thermal Properties
Element Value
Melting point( C ) 1545
Latent heat of evaporation( J g⁻¹ ) 1456
Latent heat of fusion( J g⁻¹ ) 109
Specific heat( J K⁻¹ kg⁻¹ ) 160@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 16.9@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 11.6@0-400°C

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