硅粉末, 45μm最大粒度
| 品牌: | Goodfellow | | 纯度含量: | 99.998% | | 产地: | 英国 |
产品介绍
| 订货号 | 包装规格 | | Weight | | 934-941-77 | 10 g | | 867-722-02 | 20 g | | 465-256-20 | 50 g | | 649-536-14 | 100 g |
产品参数 | High Purity[纯度] | 99.998% | | Maximum Particle Size[最大粒度] | 45μm | | Weight[重量] | 10 g - 100 g | | Typical Analysis(典型分析) | | Al | <5 PPM | | Ca | 1 PPM | | Cu | <5 PPM | | Fe | 5 PPM | | Physical Properties(物理性质) | | Boiling point ( C ) | 2355 | | Density ( g cm⁻3 ) | 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 | Ne3s23p2 | | 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 ) | 23x101⁰@20℃ | | Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | -41.56 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻1 ) | 4.700 - 7.600 @0-100℃ | | Latent heat of evaporation ( J g⁻1 ) | 13700 | | Latent heat of fusion ( J g⁻1 ) | 1650.00 | | Melting point ( C ) | 1410.00 | | Specific heat ( J K⁻1 kg⁻1 ) | 703.0 @25℃ | | Thermal conductivity ( W m⁻1 K⁻1 ) | 80.00 - 150.00 @0-100℃ |
易燃 与火焰接触后点燃的化学品，或与水接触后逸出高度易燃气体的化学品。
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