| Maximum Particle Size[最大粒度] | 250μm |
| Purity[纯度] | 99.95% |
| Weight[重量] | 50 g - 200 g |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 37.000 @0-100℃ |
| Latent heat of evaporation ( J g⁻¹ ) | 333 |
| Latent heat of fusion ( J g⁻¹ ) | 69.00 |
| Melting point ( C ) | 217.00 |
| Specific heat ( J K⁻¹ kg⁻¹ ) | 321.0 @25℃ |
| Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.50 @0-100℃ |
| Atomic Properties(原子属性) |
| Atomic number | 34 |
| Atomic weight ( amu ) | 78.96000 |
| Crystal structure | Hexagonal |
| Electronic structure | Ar3d¹⁰4s²4p⁴ |
| Ionisation potential ( No./eV ) | 4 / 42.9 |
| Ionisation potential ( No./eV ) | 6 / 81.7 |
| Ionisation potential ( No./eV ) | 5 / 68.3 |
| Ionisation potential ( No./eV ) | 1 / 9.75 |
| Ionisation potential ( No./eV ) | 3 / 30.8 |
| Ionisation potential ( No./eV ) | 2 / 21.2 |
| Natural isotope distribution ( Mass No./% ) | 76 / 9.0 |
| Natural isotope distribution ( Mass No./% ) | 82 / 9.2 |
| Natural isotope distribution ( Mass No./% ) | 74 / 0.9 |
| Natural isotope distribution ( Mass No./% ) | 80 / 49.8 |
| Natural isotope distribution ( Mass No./% ) | 77 / 7.6 |
| Natural isotope distribution ( Mass No./% ) | 78 / 23.5 |
| Photo-electric work function ( eV ) | 5.90 |
| Thermal neutron absorption cross-section ( Barns ) | 12.2000 |
| Valences shown | -2 ,4,6 |
| Physical Properties(物理性质) |
| Boiling point ( C ) | 685 |
| Density ( g cm⁻³ ) | 4.790 @20℃ |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Polycrystalline ) | 8.3 |
| Hardness - Mohs ( Polycrystalline ) | 2.00 |
| Material condition | Polycrystalline |
| Poisson's ratio ( Polycrystalline ) | 0.447 |
| Tensile modulus ( GPa ) ( Polycrystalline ) | 58.00 |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) | 12@20℃ |
m.cnreagent.com
