| 订货号 | 包装规格 |
| Weight |
| 472-726-86 | 100 g |
| 011-687-36 | 200 g |
| 149-145-48 | 500 g |
| 772-018-50 | 1000 g |
| 811-441-87 | 2000 g |
产品参数
| Maximum Particle Size[最大粒度] | 300μm |
| Purity[纯度] | 99.5% |
| Weight[重量] | 100 g - 2000 g |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Polycrystalline ) | 118.0 |
| Hardness - Mohs ( Polycrystalline ) | 5.00 |
| Material condition | Polycrystalline |
| Poisson's ratio ( Polycrystalline ) | 0.240 |
| Tensile modulus ( GPa ) ( Polycrystalline ) | 191.00 |
| Atomic Properties(原子属性) |
| Atomic number | 25 |
| Atomic weight ( amu ) | 54.93800 |
| Crystal structure | Body Centred Cubic |
| Electronic structure | Ar3d⁵4s² |
| Ionisation potential ( No./eV ) | 2 / 15.64 |
| Ionisation potential ( No./eV ) | 3 / 33.67 |
| Ionisation potential ( No./eV ) | 4 / 51.2 |
| Ionisation potential ( No./eV ) | 6 / 95 |
| Ionisation potential ( No./eV ) | 5 / 72.4 |
| Ionisation potential ( No./eV ) | 1 / 7.43 |
| Photo-electric work function ( eV ) | 3.80 |
| Thermal neutron absorption cross-section ( Barns ) | 13.3000 |
| Valences shown | 1 , 2, 3, 4, 6, 7 |
| Physical Properties(物理性质) |
| Boiling point ( C ) | 1962 |
| Density ( g cm⁻³ ) | 7.400 @20℃ |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 23.000 @0-100℃ |
| Latent heat of evaporation ( J g⁻¹ ) | 4207 |
| Latent heat of fusion ( J g⁻¹ ) | 267.00 |
| Melting point ( C ) | 1244.00 |
| Specific heat ( J K⁻¹ kg⁻¹ ) | 477.0 @25℃ |
| Thermal conductivity ( W m⁻¹ K⁻¹ ) | 7.81 @0-100℃ |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) | 160@20℃ |
刺激
通过与皮肤或粘膜即时、长时间或反复接触可引起炎症的非腐蚀化学品。
