铋,块, Bi, 10mm Max. Lump Size
| 品牌: | Goodfellow | | 纯度含量: | 100.0% | | 产地: | 英国 |
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介绍
| 订货号 | 包装规格 | | Weight | | 449-802-18 | 20g | | 684-257-57 | 50g | | 365-120-18 | 100g | | 053-235-86 | 200g | | 107-335-41 | 1000g |
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参数 | High Purity[纯度] | 100.0% | | Maximum Lump Size[] | 10mm | | Weight[重量] | 20g - 1000g | | Typical Analysis(典型分析) | | Ag | <0.2 PPM | | Cd | <0.3 PPM | | Cu | <0.2 PPM | | Pb | 0.5 PPM | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 117@20℃ | | Temperature coefficient ( K⁻¹ ) | 0.00460 @0-100℃ | | Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | -7.34 | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Polycrystalline ) | 31.3 | | Hardness - Vickers ( kgf mm⁻² ) ( Polycrystalline ) | 16 - 19 | | Material condition | Polycrystalline | | Poisson's ratio ( Polycrystalline ) | 0.330 | | Tensile modulus ( GPa ) ( Polycrystalline ) | 34.00 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 13.400 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 857 | | Latent heat of fusion ( J g⁻¹ ) | 52.00 | | Melting point ( C ) | 271.30 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 124.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 7.90 @0-100℃ | | Atomic Properties(原子属性) | | Atomic number | 83 | | Atomic weight ( amu ) | 208.98040 | | Crystal structure | Rhombohedral | | Electronic structure | Xe4f¹⁴5d¹⁰6s²6p³ | | Ionisation potential ( No./eV ) | 5 / 56.0 | | Ionisation potential ( No./eV ) | 1 / 7.29 | | Ionisation potential ( No./eV ) | 3 / 25.6 | | Ionisation potential ( No./eV ) | 4 / 45.3 | | Ionisation potential ( No./eV ) | 6 / 88.3 | | Ionisation potential ( No./eV ) | 2 / 16.7 | | Photo-electric work function ( eV ) | 4.40 | | Thermal neutron absorption cross-section ( Barns ) | 0.0340 | | Valences shown | 3 , 5 | | Physical Properties(物理性质) | | Boiling point ( C ) | 1560 | | Density ( g cm⁻³ ) | 9.800 @20℃ |
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