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Formula: Ce
Form: Pellets
Material: Cerium
CAS Number: 7440-45-1
Commodity: Metals
Purity:
99.9%
Maximum Lump Size:
25mm
Hazard Pictogram:
GHS02
Cerium Pellets are a form of metallic cerium offered by Goodfellow as part of their range of pellets. Cerium is a silvery-white reactive rare earth metal. It has a high melting point of 798°C and is quite malleable and ductile. Cerium pellets can be used as an alloying agent to improve high-temperature properties of steels. They also have applications as flint ignition devices for lighters, as they readily oxidize and produce sparks. Goodfellow provides high-purity cerium pellets in a variety of sizes for research and industrial uses.
Flammable
Tolerances
Pellets
| Maximum Lump Size | Nominal |
|---|
Material Properties for Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 58 |
| Crystal structure | Face centred cubic |
| Electronic structure | Xe 4f² 6s² |
| Valences shown | 3, 4 |
| Atomic weight( amu ) | 140.12 |
| Thermal neutron absorption cross-section( Barns ) | 0.73 |
| Photo-electric work function( eV ) | 2.9 |
| Natural isotope distribution( Mass No./% ) | 136/ 0.2 |
| Natural isotope distribution( Mass No./% ) | 140/ 88.4 |
| Natural isotope distribution( Mass No./% ) | 142/ 11.1 |
| Natural isotope distribution( Mass No./% ) | 138/ 0.3 |
| Atomic radius - Goldschmidt( nm ) | 0.182 |
| Ionisation potential( No./eV ) | 2/ 10.85 |
| Ionisation potential( No./eV ) | 1/ 5.47 |
| Ionisation potential( No./eV ) | 3/ 20.20 |
| Ionisation potential( No./eV ) | 4/ 36.72 |
Mechanical Properties
| Element | Value |
|---|---|
| Material condition | Polycrystalline |
| Material condition | Cast |
| Poisson's ratio | 0.248 |
| Poisson's ratio | 0.248 |
| Bulk modulus( GPa ) | 24.4 |
| Bulk modulus( GPa ) | 24.4 |
| Tensile modulus( GPa ) | 33.5 |
| Tensile modulus( GPa ) | 33.5 |
| Hardness - Vickers( kgf mm⁻² ) | 25-30 |
| Tensile strength( MPa ) | 102 |
| Yield strength( MPa ) | 91 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 85.4@20@20°C |
| Temperature coefficient( K⁻¹ ) | 0.0087@0-100°C |
| Thermal emf against Pt (cold 0C - hot 100C)( mV ) | 1.14 |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 3426 |
| Density( gcm⁻³ ) | 6.75@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 799 |
| Latent heat of evaporation( J g⁻¹ ) | 2680 |
| Latent heat of fusion( J g⁻¹ ) | 37.3 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 205@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 11.3@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 8@0-100°C |