品牌: Goodfellow纯度含量: 99.99%产地: 英国
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| 品牌: | Goodfellow | | 纯度含量: | 99.99% | | 产地: | 英国 |
产品介绍 | 订货号 | 包装规格 | | Weight | | 730-801-65 | 8.5g | | 638-408-09 | 17g | | 549-126-47 | 25.5g | | 835-556-07 | 34g | | 823-342-02 | 51g | | 299-730-05 | 76.5g | | 575-961-24 | 102g | | 773-667-14 | 153g | | 390-098-24 | 204g | | 117-926-37 | 306g | | 225-895-84 | 408g | | 759-930-89 | 510g |
产品参数 | Description[描述] | Nominally 6mm Thickness x 12mm Diameter | | Maximum Lump Size[] | 15mm | | Product Shape[形状] | Pellets | | Purity[纯度] | 99.99% | | Weight[重量] | 8.5g - 510g | | Typical Analysis(典型分析) | | Al | 3 PPM | | B | 1 PPM | | Ca | 1 PPM | | Co | 3 PPM | | Cr | 3 PPM | | Cu | 2 PPM | | Fe | 45 PPM | | K | 1 PPM | | Mg | 1 PPM | | Mn | 2 PPM | | Mo | 30 PPM | | Ni | 3 PPM | | Ti | 2 PPM | | W | 1 PPM | | Zr | 2 PPM | | Atomic Properties(原子属性) | | Atomic number | 75 | | Atomic weight ( amu ) | 186.20700 | | Crystal structure | Hexagonal Close Packed | | Electronic structure | Xe4f¹⁴5d⁵6s² | | Ionisation potential ( No./eV ) | 1 / 7.87 | | Ionisation potential ( No./eV ) | 2 / 16.6 | | Natural isotope distribution ( Mass No./% ) | 187 / 62.6 | | Natural isotope distribution ( Mass No./% ) | 185 / 37.4 | | Photo-electric work function ( eV ) | 5.00 | | Thermal neutron absorption cross-section ( Barns ) | 85.0000 | | Valences shown | -1 ,1,2,3,4,5,6,7 | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Hard ) | 334.0 | | Bulk modulus ( GPa ) ( Soft ) | 334.0 | | Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 700 | | Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 280 | | Material condition | Soft | | Material condition | Hard | | Poisson's ratio ( Hard ) | 0.260 | | Poisson's ratio ( Soft ) | 0.260 | | Tensile modulus ( GPa ) ( Hard ) | 466.00 | | Tensile modulus ( GPa ) ( Soft ) | 466.00 | | Tensile strength ( MPa ) ( Hard ) | 2225.00 | | Tensile strength ( MPa ) ( Soft ) | 1125.00 | | Yield strength ( MPa ) ( Hard ) | 2150.0 | | Yield strength ( MPa ) ( Soft ) | 315.0 | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 18.7@20℃ | | Superconductivity critical temperature ( K ) | 1.7000 | | Temperature coefficient ( K⁻¹ ) | 0.00450 @0-100℃ | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 6.600 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 3824 | | Latent heat of fusion ( J g⁻¹ ) | 179.90 | | Melting point ( C ) | 3180.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 138.0 @25 | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 48.00 @0-100℃ | | Physical Properties(物理性质) | | Boiling point ( C ) | 5627 | | Density ( g cm⁻³ ) | 21.000 @20 |
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