锗,棒, Ge, 2mm直径, 5N
| 品牌: |
Goodfellow |
| 纯度含量: |
99.999% |
| 产地: |
英国 |
半岛bd体育手机客户端 介绍
| 订货号 |
包装规格 |
| Length (Round) |
| 575-272-19 |
25mm |
| 012-027-80 |
50mm |
半岛bd体育手机客户端 参数
| Diameter[直径] |
2mm |
| Electrical Type[电气类型] |
N-Type |
| Length[长度] |
25mm - 50mm |
| Purity[纯度] |
99.999% |
| Structure[结构] |
Polycrystalline |
| Typical Analysis(典型分析) |
| Ag |
<1 PPM |
| Al |
<1 PPM |
| Ba |
<1 PPM |
| Mg |
<1 PPM |
| Mn |
<1 PPM |
| Mo |
<2 PPM |
| Ni |
<1 PPM |
| Pb |
<2 PPM |
| Si |
<1 PPM |
| Sn |
<2 PPM |
| Ti |
<3 PPM |
| Zn |
<1 PPM |
| Physical Properties(物理性质) |
| Boiling point ( C ) |
2830 |
| Density ( g cm?? ) |
5.320 @20℃ |
| Atomic Properties(原子属性) |
| Atomic number |
32 |
| Atomic weight ( amu ) |
72.59000 |
| Crystal structure |
Diamond |
| Electronic structure |
Ar3d??4s?4p? |
| Ionisation potential ( No./eV ) |
4 / 45.7 |
| Ionisation potential ( No./eV ) |
3 / 34.22 |
| Ionisation potential ( No./eV ) |
1 / 7.90 |
| Ionisation potential ( No./eV ) |
5 / 93.5 |
| Ionisation potential ( No./eV ) |
2 / 15.93 |
| Natural isotope distribution ( Mass No./% ) |
72 / 27.4 |
| Natural isotope distribution ( Mass No./% ) |
73 / 7.8 |
| Natural isotope distribution ( Mass No./% ) |
76 / 7.8 |
| Natural isotope distribution ( Mass No./% ) |
70 / 20.5 |
| Natural isotope distribution ( Mass No./% ) |
74 / 36.5 |
| Photo-electric work function ( eV ) |
4.80 |
| Thermal neutron absorption cross-section ( Barns ) |
2.3000 |
| Valences shown |
2 ,4 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
5.750 @0-100℃ |
| Latent heat of evaporation ( J g?? ) |
4516 |
| Latent heat of fusion ( J g?? ) |
465.00 |
| Melting point ( C ) |
937.40 |
| Specific heat ( J K?? kg?? ) |
322.0 @25℃ |
| Thermal conductivity ( W m?? K?? ) |
60.20 @0-100℃ |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Polycrystalline ) |
73.9 |
| Hardness - Mohs ( Polycrystalline ) |
6.25 |
| Material condition |
Polycrystalline |
| Poisson's ratio ( Polycrystalline ) |
0.320 |
| Tensile modulus ( GPa ) ( Polycrystalline ) |
79.90 |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) |
46x10?@22℃ |
| Thermal emf against Pt (cold 0C - hot 100C) ( mV ) |
33.90 |
其他参数
公差
| 直径 |
≤10mm |
±10% |
| 聚合物 |
+20% / -10% |
| 陶瓷 |
+20% / -10% |
|
| >10mm |
±5% |
| 陶瓷 |
+20% / -10% |
| 聚合物 |
+20% / -10% |
|
| 长度 |
<100mm |
±1mm |
| ≥100mm |
+5% / -1% |
|
|
Goodfellow（顾特服）
电话:点击&查看18024074014
地址:
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