May contain hydrogen and/or the metal hydride.
订货号 | 包装规格 |
Weight |
585-736-48 | 1g |
产品参数
Maximum Particle Size[最大粒度] | 500μm |
Purity[纯度] | 99.9% |
Weight[重量] | 1g |
Typical Analysis(典型分析) |
Ca | 200 PPM |
Fe | 50 PPM |
Mg | 50 PPM |
Si | 10 PPM |
Tm | <100 PPM |
Yb | 200 PPM |
Atomic Properties(原子属性) |
Atomic number | 71 |
Atomic weight ( amu ) | 174.96700 |
Crystal structure | Hexagonal Close Packed |
Electronic structure | Xe4f¹⁴5d¹6s² |
Ionisation potential ( No./eV ) | 1 / 5.43 |
Ionisation potential ( No./eV ) | 2 / 13.9 |
Natural isotope distribution ( Mass No./% ) | 175 / 97.4 |
Natural isotope distribution ( Mass No./% ) | 176 / 2.6 |
Photo-electric work function ( eV ) | 3.30 |
Thermal neutron absorption cross-section ( Barns ) | 75.0000 |
Valences shown | 3 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 12.500 @0-400℃ |
Latent heat of evaporation ( J g⁻¹ ) | 2155 |
Latent heat of fusion ( J g⁻¹ ) | 110.00 |
Melting point ( C ) | 1663.00 |
Specific heat ( J K⁻¹ kg⁻¹ ) | 155.0 @25℃ |
Thermal conductivity ( W m⁻¹ K⁻¹ ) | 16.40 @0-100℃ |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Polycrystalline ) | 42.0 |
Hardness - Vickers ( kgf mm⁻² ) ( Polycrystalline ) | 85 |
Material condition | Polycrystalline |
Poisson's ratio ( Polycrystalline ) | 0.223 |
Tensile modulus ( GPa ) ( Polycrystalline ) | 84.00 |
Physical Properties(物理性质) |
Boiling point ( C ) | 3395 |
Density ( g cm⁻³ ) | 9.842 @20℃ |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) | 68@20℃ |
Superconductivity critical temperature ( K ) | 0.1000 |
Temperature coefficient ( K⁻¹ ) | 0.00240 @0-100℃ |
易燃
与火焰接触后点燃的化学品,或与水接触后逸出高度易燃气体的化学品。