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Formula: Gd
Form: Powder
Material: Gadolinium
CAS Number: 7440-54-2
Commodity: Metals
Purity: 99.9%
Max Particle Size: 500μm
Weight: 10g
Hazard Pictogram: GHS02
Gadolinium Powder is a rare earth metal powder we offer in a choice of purity and particle size options. It has unique magnetic properties, with the highest Curie point of any element. It’s used in magnetic resonance imaging contrast agents, high temperature superconductors, and as a neutron absorber in nuclear reactors. With Gadolinium Powder available in over 1 variations, it can suit a diverse range of different scientific and industrial applications.
Technical Data Sheet Safety Data Sheet Tolerance Properties

Flammable

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Tolerances

Powder
Mean Particle Size Nominal
Minimum Particle Size Nominal
Maximum Particle Size Nominal
Maximum Particle Size Nominal
Particle Size D10 Nominal
Particle Size D50 Nominal
Particle Size D90 Nominal

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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