| Maximum Particle Size[最大粒度] | 250μm |
| Purity[纯度] | 99.9% |
| Weight[重量] | 10g - 200g |
| Typical Analysis(典型分析) |
| Al | 5 PPM |
| Ca | 7 PPM |
| Ce | 100 PPM |
| Fe | 25 PPM |
| La | 100 PPM |
| Mg | <1 PPM |
| Pr | 100 PPM |
| Si | 15 PPM |
| Sm | 100 PPM |
| Ta | <0.1 PPM |
| Y | 100 PPM |
| Atomic Properties(原子属性) |
| Atomic number | 60 |
| Atomic weight ( amu ) | 144.24000 |
| Crystal structure | Hexagonal Close Packed |
| Electronic structure | Xe4f⁴6s² |
| Ionisation potential ( No./eV ) | 2 / 10.72 |
| Ionisation potential ( No./eV ) | 1 / 5.49 |
| Natural isotope distribution ( Mass No./% ) | 148 / 5.7 |
| Natural isotope distribution ( Mass No./% ) | 145 / 8.3 |
| Natural isotope distribution ( Mass No./% ) | 142 / 27.2 |
| Natural isotope distribution ( Mass No./% ) | 143 / 12.2 |
| Natural isotope distribution ( Mass No./% ) | 150 / 5.6 |
| Natural isotope distribution ( Mass No./% ) | 146 / 17.2 |
| Natural isotope distribution ( Mass No./% ) | 144 / 23.8 |
| Photo-electric work function ( eV ) | 3.20 |
| Thermal neutron absorption cross-section ( Barns ) | 49.0000 |
| Valences shown | 3 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 6.700 @0-100℃ |
| Latent heat of evaporation ( J g⁻¹ ) | 2000 |
| Latent heat of fusion ( J g⁻¹ ) | 75.00 |
| Melting point ( C ) | 1021.00 |
| Specific heat ( J K⁻¹ kg⁻¹ ) | 205.0 @25℃ |
| Thermal conductivity ( W m⁻¹ K⁻¹ ) | 13.00 @0-100℃ |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Polycrystalline ) | 33.3 |
| Hardness - Vickers ( kgf mm⁻² ) ( Polycrystalline ) | 35 |
| Material condition | Polycrystalline |
| Poisson's ratio ( Polycrystalline ) | 0.310 |
| Tensile modulus ( GPa ) ( Polycrystalline ) | 37.90 |
| Tensile strength ( MPa ) ( Polycrystalline ) | 172.00 |
| Yield strength ( MPa ) ( Polycrystalline ) | 165.0 |
| Physical Properties(物理性质) |
| Boiling point ( C ) | 3068 |
| Density ( g cm⁻³ ) | 7.004 @20℃ |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) | 64@20℃ |
| Temperature coefficient ( K⁻¹ ) | 0.00164 @0-100℃ |
