Made to order for delivery in about 4-5 weeks. Other sizes also available.
| 订货号 | 包装规格 |
| Disc |
| 240-606-64 | 50mm |
| 075-829-67 | 75mm |
产品参数
| Diameter[直径] | 50mm - 75mm |
| Purity[纯度] | 99.9% |
| Thickness[厚度] | 3mm |
| Atomic Properties(原子属性) |
| Atomic number | 58 |
| Atomic weight ( amu ) | 140.12000 |
| Crystal structure | Face Centred Cubic |
| Electronic structure | Xe4f²6s² |
| 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 |
| 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 |
| Photo-electric work function ( eV ) | 2.90 |
| Thermal neutron absorption cross-section ( Barns ) | 0.7300 |
| Valences shown | 3 , 4 |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Cast ) | 24.4 |
| Bulk modulus ( GPa ) ( Polycrystalline ) | 24.4 |
| Hardness - Vickers ( kgf mm⁻² ) ( Cast ) | 25 - 30 |
| Material condition | Polycrystalline |
| Material condition | Cast |
| Poisson's ratio ( Cast ) | 0.248 |
| Poisson's ratio ( Polycrystalline ) | 0.248 |
| Tensile modulus ( GPa ) ( Cast ) | 33.50 |
| Tensile modulus ( GPa ) ( Polycrystalline ) | 33.50 |
| Tensile strength ( MPa ) ( Cast ) | 102.00 |
| Yield strength ( MPa ) ( Cast ) | 91.0 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 8.000 @0-100℃ |
| Latent heat of evaporation ( J g⁻¹ ) | 2680 |
| Latent heat of fusion ( J g⁻¹ ) | 37.30 |
| Melting point ( C ) | 799.00 |
| Specific heat ( J K⁻¹ kg⁻¹ ) | 205.0 @25℃ |
| Thermal conductivity ( W m⁻¹ K⁻¹ ) | 11.30 @0-100℃ |
| Physical Properties(物理性质) |
| Boiling point ( C ) | 3426 |
| Density ( g cm⁻³ ) | 6.750 @20℃ |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) | 85.4@20℃ |
| Temperature coefficient ( K⁻¹ ) | 0.00870 @0-100℃ |
| Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 1.14 |
其他参数
公差
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。
