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) |
048-149-51 |
100 mm |
半岛bd体育手机客户端 参数
Diameter[直径] |
25mm |
Length[长度] |
100 mm |
Purity[纯度] |
99.999% |
Structure[结构] |
Crystalline |
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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