| High Purity[纯度] |
100.0% |
| Maximum Lump Size[] |
20mm |
| Weight[重量] |
10g - 40g |
| Typical Analysis(典型分析) |
| Pb |
0.03 PPM |
| Sn |
0.03 PPM |
| Atomic Properties(原子属? |
| Atomic number |
49 |
| Atomic weight ( amu ) |
114.82000 |
| Crystal structure |
Face Centred Tetragonal |
| Electronic structure |
Kr4d??5s?5p? |
| Ionisation potential ( No./eV ) |
3 / 28.0 |
| Ionisation potential ( No./eV ) |
4 / 54 |
| Ionisation potential ( No./eV ) |
2 / 18.9 |
| Ionisation potential ( No./eV ) |
1 / 5.79 |
| Natural isotope distribution ( Mass No./% ) |
113 / 4.3 |
| Natural isotope distribution ( Mass No./% ) |
115 / 95.7 |
| Photo-electric work function ( eV ) |
4.12 |
| Thermal neutron absorption cross-section ( Barns ) |
194.0000 |
| Valences shown |
1 , 2, 3 |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Polycrystalline ) |
35.3 |
| Bulk modulus ( GPa ) ( Soft ) |
35.3 |
| Hardness - Vickers ( kgf mm?? ) ( Soft ) |
< 10 |
| Material condition |
Polycrystalline |
| Material condition |
Soft |
| Poisson's ratio ( Polycrystalline ) |
0.450 |
| Poisson's ratio ( Soft ) |
0.450 |
| Tensile modulus ( GPa ) ( Polycrystalline ) |
10.60 |
| Tensile modulus ( GPa ) ( Soft ) |
10.60 |
| Tensile strength ( MPa ) ( Soft ) |
2.60 - 4.50 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
24.800 @0-100ℂ/td> |
| Latent heat of evaporation ( J g?? ) |
2024 |
| Latent heat of fusion ( J g?? ) |
28.50 |
| Melting point ( C ) |
156.60 |
| Specific heat ( J K?? kg?? ) |
234.0 @25ℂ/td> |
| Thermal conductivity ( W m?? K?? ) |
81.80 @0-100ℂ/td> |
| Physical Properties(物理性质) |
| Boiling point ( C ) |
2080 |
| Density ( g cm?? ) |
7.300 @20ℂ/td> |
| Electrical Properties(电气特? |
| Electrical resistivity ( μOhmcm ) |
8.8@20ℂ/td> |
| Superconductivity critical temperature ( K ) |
3.4100 |
| Temperature coefficient ( K?? ) |
0.00520 @0-100ℂ/td> |
| Thermal emf against Pt (cold 0C - hot 100C) ( mV ) |
0.69 |
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