铷,块, Rb, 5mm Max. Lump Size, 3N
| 品牌: | Goodfellow | | 纯度含量: | 99.9% | | 产地: | 英国 |
产品介绍
| 订货号 | 包装规格 | | Weight | | 420-999-81 | 1g | | 357-080-49 | 5g |
产品参数 | Maximum Lump Size[] | 5mm | | Purity[纯度] | 99.9% | | Weight[重量] | 1g - 5g | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Polycrystalline ) | 2.5 | | Hardness - Mohs ( Polycrystalline ) | 0.30 | | Material condition | Polycrystalline | | Poisson's ratio ( Polycrystalline ) | 0.300 | | Tensile modulus ( GPa ) ( Polycrystalline ) | 2.35 | | Atomic Properties(原子属性) | | Atomic number | 37 | | Atomic weight ( amu ) | 85.46780 | | Crystal structure | Body Centred Cubic | | Electronic structure | Kr5s¹ | | Ionisation potential ( No./eV ) | 4 / 52.6 | | Ionisation potential ( No./eV ) | 6 / 84.4 | | Ionisation potential ( No./eV ) | 3 / 40.0 | | Ionisation potential ( No./eV ) | 1 / 4.18 | | Ionisation potential ( No./eV ) | 2 / 27.3 | | Ionisation potential ( No./eV ) | 5 / 71.0 | | Natural isotope distribution ( Mass No./% ) | 85 / 72.17 | | Natural isotope distribution ( Mass No./% ) | 87 / 27.83 | | Photo-electric work function ( eV ) | 2.10 | | Thermal neutron absorption cross-section ( Barns ) | 0.5000 | | Valences shown | 1 ,2,3,4 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 9.000 @0-100 | | Latent heat of evaporation ( J g⁻¹ ) | 887 | | Latent heat of fusion ( J g⁻¹ ) | 25.70 | | Melting point ( C ) | 38.89 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 360.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 58.20 @0-100 | | Physical Properties(物理性质) | | Boiling point ( C ) | 686 | | Density ( g cm⁻³ ) | 1.532 @20 | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 12.1@20 | | Temperature coefficient ( K⁻¹ ) | 0.00480 @0-100℃ |
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