All foils are mounted on a permanent support which cannot be removed without damaging the foil.
订货号 |
包装规格 |
Sizes |
372-080-77 |
25mm x 25mm |
237-346-49 |
50mm x 50mm |
半岛bd体育手机客户端 参数
Purity[纯度] |
99.97% |
Support[载体] |
0.125 mm Permanent Polyester |
Thickness[厚度] |
0.003mm |
Typical Analysis(典型分析) |
Ag |
1 PPM |
Al |
5 PPM |
Ca |
4 PPM |
Cd |
5 PPM |
Co |
1 PPM |
Cr |
200 PPM |
Cu |
8 PPM |
Fe |
7 PPM |
Mg |
1 PPM |
Mn |
1 PPM |
Mo |
10 PPM |
Na |
2 PPM |
Si |
2 PPM |
Sn |
5 PPM |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) |
117@20℃ |
Temperature coefficient ( K?? ) |
0.00460 @0-100℃ |
Thermal emf against Pt (cold 0C - hot 100C) ( mV ) |
-7.34 |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Polycrystalline ) |
31.3 |
Hardness - Vickers ( kgf mm?? ) ( Polycrystalline ) |
16 - 19 |
Material condition |
Polycrystalline |
Poisson's ratio ( Polycrystalline ) |
0.330 |
Tensile modulus ( GPa ) ( Polycrystalline ) |
34.00 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10?? K?? ) |
13.400 @0-100℃ |
Latent heat of evaporation ( J g?? ) |
857 |
Latent heat of fusion ( J g?? ) |
52.00 |
Melting point ( C ) |
271.30 |
Specific heat ( J K?? kg?? ) |
124.0 @25℃ |
Thermal conductivity ( W m?? K?? ) |
7.90 @0-100℃ |
Atomic Properties(原子属性) |
Atomic number |
83 |
Atomic weight ( amu ) |
208.98040 |
Crystal structure |
Rhombohedral |
Electronic structure |
Xe4f??5d??6s?6p? |
Ionisation potential ( No./eV ) |
5 / 56.0 |
Ionisation potential ( No./eV ) |
1 / 7.29 |
Ionisation potential ( No./eV ) |
3 / 25.6 |
Ionisation potential ( No./eV ) |
4 / 45.3 |
Ionisation potential ( No./eV ) |
6 / 88.3 |
Ionisation potential ( No./eV ) |
2 / 16.7 |
Photo-electric work function ( eV ) |
4.40 |
Thermal neutron absorption cross-section ( Barns ) |
0.0340 |
Valences shown |
3 , 5 |
Physical Properties(物理性质) |
Boiling point ( C ) |
1560 |
Density ( g cm?? ) |
9.800 @20℃ |
其他参数
公差
长度 |
<100mm |
±1mm |
≥100mm |
+2% / -1% |
直径 |
<100mm |
±1mm |
≥100mm |
+2% / -1% |
厚度 |
<0.01mm |
±25% |
≤0.05mm |
±15% |
>0.05mm |
±10% |
长度 1 |
<100mm |
±1mm |
≥100mm |
+2% / -1% |
长度 2 |
<100mm |
±1mm |
≥100mm |
+2% / -1% |