| Diameter[直径] |
5.9mm |
| Length[长度] |
10mm - 70mm |
| Purity[纯度] |
99.9% |
| Typical Analysis(典型分析) |
| Ag |
<1 PPM |
| Au |
3 PPM |
| Ca |
30 PPM |
| Cr |
3 PPM |
| Cu |
2 PPM |
| Fe |
30 PPM |
| Ir |
50 PPM |
| Mg |
3 PPM |
| Mn |
<1 PPM |
| Os |
300 PPM |
| Pb |
3 PPM |
| Pd |
10 PPM |
| Pt |
50 PPM |
| Rh |
50 PPM |
| Si |
20 PPM |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
9.600 @0-100℃ |
| Latent heat of evaporation ( J g?? ) |
5610 |
| Latent heat of fusion ( J g?? ) |
252.00 |
| Melting point ( C ) |
2310.00 |
| Specific heat ( J K?? kg?? ) |
238.0 @20℃ |
| Thermal conductivity ( W m?? K?? ) |
117.00 @0-100℃ |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) |
7.7@20℃ |
| Superconductivity critical temperature ( K ) |
0.4900 |
| Temperature coefficient ( K?? ) |
0.00410 @0-100 |
| Atomic Properties(原子属性) |
| Atomic number |
44 |
| Atomic weight ( amu ) |
101.07000 |
| Crystal structure |
Hexagonal Close Packed |
| Electronic structure |
Kr4d?5s? |
| Ionisation potential ( No./eV ) |
2 / 16.8 |
| Ionisation potential ( No./eV ) |
3 / 28.5 |
| Ionisation potential ( No./eV ) |
1 / 7.36 |
| Natural isotope distribution ( Mass No./% ) |
99 / 12.7 |
| Natural isotope distribution ( Mass No./% ) |
96 / 5.5 |
| Natural isotope distribution ( Mass No./% ) |
104 / 18.6 |
| Natural isotope distribution ( Mass No./% ) |
98 / 1.9 |
| Natural isotope distribution ( Mass No./% ) |
101 / 17.1 |
| Natural isotope distribution ( Mass No./% ) |
100 / 12.6 |
| Natural isotope distribution ( Mass No./% ) |
102 / 31.6 |
| Photo-electric work function ( eV ) |
4.71 |
| Thermal neutron absorption cross-section ( Barns ) |
3.0000 |
| Valences shown |
0 ,1,2,3,4,5,6,7,8 |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Hard ) |
286.0 |
| Bulk modulus ( GPa ) ( Soft ) |
286.0 |
| Hardness - Vickers ( kgf mm?? ) ( Hard ) |
750 |
| Hardness - Vickers ( kgf mm?? ) ( Soft ) |
350 |
| Material condition |
Hard |
| Material condition |
Soft |
| Poisson's ratio ( Hard ) |
0.250 |
| Poisson's ratio ( Soft ) |
0.250 |
| Tensile modulus ( GPa ) ( Hard ) |
432.00 |
| Tensile modulus ( GPa ) ( Soft ) |
432.00 |
| Tensile strength ( MPa ) ( Soft ) |
495.00 |
| Yield strength ( MPa ) ( Soft ) |
372.0 |
| Physical Properties(物理性质) |
| Boiling point ( C ) |
3900 |
| Density ( g cm?? ) |
12.200 @20 |
