品牌: Goodfellow
纯度含量: 99.999%
产地: 英国
索取资料及报价
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| 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) |
| 449-561-87 |
150 mm |
半岛bd体育手机客户端 参数
| Diameter[直径] |
25mm |
| Length[长度] |
150 mm |
| Purity[纯度] |
99.999% |
| Type[类型] |
Single Crystal |
| Typical Analysis(典型分析) |
| Al |
<1 PPM |
| Ba |
<2 PPM |
| Bi |
<2 PPM |
| Ca |
<1 PPM |
| Cd |
<1 PPM |
| Cu |
<1 PPM |
| Physical Properties(物理性质) |
| Boiling point ( C ) |
2355 |
| Density ( g cm?? ) |
2.340 @20℃ |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Polycrystalline ) |
100.0 |
| Hardness - Mohs ( Polycrystalline ) |
7.00 |
| Material condition |
Polycrystalline |
| Poisson's ratio ( Polycrystalline ) |
0.420 |
| Tensile modulus ( GPa ) ( Polycrystalline ) |
113.00 |
| Atomic Properties(原子属性) |
| Atomic number |
14 |
| Atomic weight ( amu ) |
28.08550 |
| Crystal structure |
Diamond |
| Electronic structure |
Ne3s?3p? |
| Ionisation potential ( No./eV ) |
5 / 167 |
| Ionisation potential ( No./eV ) |
1 / 8.15 |
| Ionisation potential ( No./eV ) |
2 / 16.3 |
| Ionisation potential ( No./eV ) |
3 / 33.5 |
| Ionisation potential ( No./eV ) |
4 / 45.1 |
| Ionisation potential ( No./eV ) |
6 / 205 |
| Natural isotope distribution ( Mass No./% ) |
30 / 3.10 |
| Natural isotope distribution ( Mass No./% ) |
29 / 4.67 |
| Natural isotope distribution ( Mass No./% ) |
28 / 92.23 |
| Photo-electric work function ( eV ) |
4.20 |
| Thermal neutron absorption cross-section ( Barns ) |
0.1600 |
| Valences shown |
4 |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) |
23x10??@20℃ |
| Thermal emf against Pt (cold 0C - hot 100C) ( mV ) |
-41.56 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
4.700 - 7.600 @0-100℃ |
| Latent heat of evaporation ( J g?? ) |
13700 |
| Latent heat of fusion ( J g?? ) |
1650.00 |
| Melting point ( C ) |
1410.00 |
| Specific heat ( J K?? kg?? ) |
703.0 @25℃ |
| Thermal conductivity ( W m?? K?? ) |
80.00 - 150.00 @0-100℃ |
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% |
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