硅,粉末, Si, 150μm最大粒度
| 品牌: | Goodfellow | | 纯度含量: | 97.5% | | 产地: | 英国 |
产品介绍
| 订货号 | 包装规格 | | Weight | | 389-072-21 | 100g | | 634-031-52 | 200g | | 253-947-22 | 500g | | 743-403-45 | 1000g | | 925-433-17 | 2000g | | 484-759-66 | 5000g |
产品参数 | Maximum Particle Size[最大粒度] | 150μm | | Purity[纯度] | 97.5% | | Weight[重量] | 100g - 5000g | | 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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