Technical Data Sheet
Safety Data Sheet
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Gadolinium Pellets

Gadolinium pellets are part of Goodfellow's range of metal pellets. Gadolinium has excellent neutron absorption and magnetic properties. The pellets can be used as control rods in nuclear reactors, absorbing neutrons and controlling the fission reaction. They are also utilized in magnetic resonance imaging (MRI) machines, where gadolinium's paramagnetism enhances the imaging contrast. Overall, gadolinium pellets from Goodfellow demonstrate useful nuclear and magnetic characteristics with applications in energy and medicine.
Formula: Gd
Percentage Purity: 99.9%
Maximum Lump Size: 25mm
Weight: 100g
CAS Number: 7440-54-2
UOM Code: 283-049-51
SKU: 1000116801
Product Code: GD00-LP-000100

Tolerances

Pellets
Maximum Lump Size Nominal

Flammable

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Tolerances

Pellets
Maximum Lump Size Nominal
Technical Data Sheet
Safety Data Sheet

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Material Properties for Metals

Atomic Properties
Element Value
Atomic number 64
Crystal structure Hexagonal close packed
Electronic structure Xe 4f⁷ 5d¹ 6s²
Valences shown 3
Atomic weight( amu ) 157.25
Thermal neutron absorption cross-section( Barns ) 49000
Photo-electric work function( eV ) 3.1
Natural isotope distribution( Mass No./% ) 160/ 21.8
Natural isotope distribution( Mass No./% ) 155/ 14.8
Natural isotope distribution( Mass No./% ) 157/ 15.7
Natural isotope distribution( Mass No./% ) 152/ 0.2
Natural isotope distribution( Mass No./% ) 158/ 24.8
Natural isotope distribution( Mass No./% ) 156/ 20.5
Natural isotope distribution( Mass No./% ) 154/ 2.2
Atomic radius - Goldschmidt( nm ) 0.18
Ionisation potential( No./eV ) 2/ 12.1
Ionisation potential( No./eV ) 1/ 6.14
Mechanical Properties
Element Value
Material condition Polycrystalline
Poisson's ratio 0.26
Bulk modulus( GPa ) 39.1
Tensile modulus( GPa ) 56.2
Hardness - Vickers( kgf mm⁻² ) 55
Tensile strength( MPa ) 193
Yield strength( MPa ) 179
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 134@20@20°C
Temperature coefficient( K⁻¹ ) 0.00176@0-100°C
Physical Properties
Element Value
Boiling point( C ) 3266
Density( gcm⁻³ ) 7.895@25°C
Thermal Properties
Element Value
Melting point( C ) 1313
Latent heat of evaporation( J g⁻¹ ) 1920
Latent heat of fusion( J g⁻¹ ) 98.7
Specific heat( J K⁻¹ kg⁻¹ ) 230@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 10.5@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 6.4@0-100°C
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