Supplied in 100g bottles only.
订货号 |
包装规格 |
Weight |
637-787-86 |
20g |
023-738-69 |
50g |
697-634-61 |
100g |
832-256-07 |
250g |
549-852-13 |
500g |
596-729-07 |
1000g |
661-997-46 |
1500g |
半岛bd体育手机客户端 参数
Maximum Lump Size[] |
25mm |
Purity[纯度] |
99.0% |
Weight[重量] |
20g - 2000g |
Physical Properties(物理性质) |
Boiling point ( C ) |
3457 |
Density ( g cm?? ) |
6.174 @20℃ |
Atomic Properties(原子属性) |
Atomic number |
57 |
Atomic weight ( amu ) |
138.90550 |
Crystal structure |
Hexagonal Close Packed/Face Centred Cubic |
Electronic structure |
Xe5d?6s? |
Ionisation potential ( No./eV ) |
3 / 19.18 |
Ionisation potential ( No./eV ) |
1 / 5.58 |
Ionisation potential ( No./eV ) |
2 / 11.06 |
Natural isotope distribution ( Mass No./% ) |
139 / 99.91 |
Natural isotope distribution ( Mass No./% ) |
138 / 0.09 |
Photo-electric work function ( eV ) |
3.50 |
Thermal neutron absorption cross-section ( Barns ) |
8.9000 |
Valences shown |
3 |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) |
57@20℃ |
Superconductivity critical temperature ( K ) |
4.8800 |
Temperature coefficient ( K?? ) |
0.00218 @0-100℃ |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Polycrystalline ) |
24.8 |
Hardness - Vickers ( kgf mm?? ) ( Polycrystalline ) |
40 |
Material condition |
Polycrystalline |
Poisson's ratio ( Polycrystalline ) |
0.280 |
Tensile modulus ( GPa ) ( Polycrystalline ) |
37.90 |
Tensile strength ( MPa ) ( Polycrystalline ) |
131.00 |
Yield strength ( MPa ) ( Polycrystalline ) |
124.0 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10?? K?? ) |
4.900 @0-100℃ |
Latent heat of evaporation ( J g?? ) |
2897 |
Latent heat of fusion ( J g?? ) |
60.20 |
Melting point ( C ) |
921.00 |
Specific heat ( J K?? kg?? ) |
197.0 @25℃ |
Thermal conductivity ( W m?? K?? ) |
13.40 @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。