订货号 | 包装规格 |
Weight |
329-558-13 | 100 g |
500-679-07 | 200 g |
934-098-14 | 500 g |
产品参数
Maximum Particle Size[最大粒度] | 15μm |
Mean Particle Size[平均粒度] | 2 |
Purity[纯度] | 99.5% |
Weight[重量] | 100 g - 500 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。