Diameter[直径] | 4 mm - 15 mm |
Production Method[生产方法] | Electrodeposited |
Purity[纯度] | 99.75% |
Thickness[厚度] | 0.008mm |
Typical Analysis(典型分析) |
Ag | 3 PPM |
Al | 25 PPM |
Au | 50 PPM |
B | 5 PPM |
Bi | 10 PPM |
Ca | 150 PPM |
Cd | 1 PPM |
Cr | 400 PPM |
Cu | 800 PPM |
Fe | 400 PPM |
Ga | 2 PPM |
In | 3 PPM |
K | 200 PPM |
Mg | 7 PPM |
Mn | 30 PPM |
Mo | 50 PPM |
Na | 50 PPM |
Ni | 20 PPM |
Pb | 50 PPM |
Sb | 50 PPM |
Si | 60 PPM |
Zn | 20 PPM |
Atomic Properties(原子属性) |
Atomic number | 50 |
Atomic weight ( amu ) | 118.69000 |
Crystal structure | Tetragonal |
Electronic structure | Kr4d¹⁰5s²5p² |
Ionisation potential ( No./eV ) | 2 / 14.63 |
Ionisation potential ( No./eV ) | 5 / 72.3 |
Ionisation potential ( No./eV ) | 3 / 30.5 |
Ionisation potential ( No./eV ) | 4 / 40.7 |
Ionisation potential ( No./eV ) | 1 / 7.34 |
Natural isotope distribution ( Mass No./% ) | 122 / 4.6 |
Natural isotope distribution ( Mass No./% ) | 124 / 5.6 |
Natural isotope distribution ( Mass No./% ) | 114 / 0.7 |
Natural isotope distribution ( Mass No./% ) | 120 / 32.4 |
Natural isotope distribution ( Mass No./% ) | 118 / 24.3 |
Natural isotope distribution ( Mass No./% ) | 112 / 1.0 |
Natural isotope distribution ( Mass No./% ) | 116 / 14.7 |
Natural isotope distribution ( Mass No./% ) | 115 / 0.4 |
Natural isotope distribution ( Mass No./% ) | 117 / 7.7 |
Natural isotope distribution ( Mass No./% ) | 119 / 8.6 |
Photo-electric work function ( eV ) | 4.30 |
Thermal neutron absorption cross-section ( Barns ) | 0.6300 |
Valences shown | 2 ,4 |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Polycrystalline ) | 58.2 |
Hardness - Mohs ( Polycrystalline ) | 1.50 - 1.80 |
Material condition | Polycrystalline |
Poisson's ratio ( Polycrystalline ) | 0.357 |
Tensile modulus ( GPa ) ( Polycrystalline ) | 49.90 |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) | 12.6@20℃ |
Superconductivity critical temperature ( K ) | 3.7220 |
Temperature coefficient ( K⁻¹ ) | 0.00460 @0-100℃ |
Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 0.42 |
Physical Properties(物理性质) |
Boiling point ( C ) | 2270 |
Density ( g cm⁻³ ) | 7.280 @20℃ |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 23.500 @0-100℃ |
Latent heat of evaporation ( J g⁻¹ ) | 2497 |
Latent heat of fusion ( J g⁻¹ ) | 59.60 |
Melting point ( C ) | 231.90 |
Specific heat ( J K⁻¹ kg⁻¹ ) | 213.0 @25℃ |
Thermal conductivity ( W m⁻¹ K⁻¹ ) | 66.80 @0-100℃ |