Gadolinium Powder

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.

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Technical Data Sheet Safety Data Sheet Tolerance Properties

Flammable

each

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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Gadolinium Powder

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Material Properties for Metals