品牌: Goodfellow纯度含量: 99.998%产地: 英国
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| 品牌: | Goodfellow | | 纯度含量: | 99.998% | | 产地: | 英国 |
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介绍 Nominally 4.7mm diameter x 4.7mm length pellets. | 订货号 | 包装规格 | | Weight | | 164-617-27 | 1.6g | | 730-792-46 | 3.2g | | 891-846-34 | 4.8g | | 174-991-46 | 6.4g | | 743-891-31 | 8g | | 163-934-98 | 9.6g | | 134-817-18 | 11.2g | | 242-931-69 | 20.8g | | 745-757-13 | 30.4g | | 757-911-37 | 40g | | 981-677-03 | 51.2g |
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参数 | Maximum Lump Size[] | 6mm | | Product Shape[形状] | Pellets | | Purity[纯度] | 99.998% | | Weight[重量] | 1.6g - 51.2g | | Typical Analysis(典型分析) | | Al | 2 PPM | | Cu | 2 PPM | | Fe | 5 PPM | | Rh | 2 PPM | | Si | 2 PPM | | Zr | 5 PPM | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Hard ) | 276.0 | | Bulk modulus ( GPa ) ( Soft ) | 276.0 | | Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 100 | | Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 40 | | Material condition | Hard | | Material condition | Soft | | Poisson's ratio ( Hard ) | 0.390 | | Poisson's ratio ( Soft ) | 0.390 | | Tensile modulus ( GPa ) ( Hard ) | 170.00 | | Tensile modulus ( GPa ) ( Soft ) | 170.00 | | Tensile strength ( MPa ) ( Hard ) | 200.00 - 300.00 | | Tensile strength ( MPa ) ( Soft ) | 125.00 - 150.00 | | Yield strength ( MPa ) ( Hard ) | 185.0 | | Yield strength ( MPa ) ( Soft ) | 14.0 - 35.0 | | Physical Properties(物理性质) | | Boiling point ( C ) | 3827 | | Density ( g cm⁻³ ) | 21.450 @20℃ | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 9.000 @0-100 | | Latent heat of evaporation ( J g⁻¹ ) | 2405 | | Latent heat of fusion ( J g⁻¹ ) | 101.00 | | Melting point ( C ) | 1772.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 133.0 @025℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 71.60 @0-100℃ | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 10.58@20℃ | | Temperature coefficient ( K⁻¹ ) | 0.00392 @0-100℃ | | Atomic Properties(原子属性) | | Atomic number | 78 | | Atomic weight ( amu ) | 195.08000 | | Crystal structure | Face Centred Cubic | | Electronic structure | Xe4f¹⁴5d⁹6s¹ | | Ionisation potential ( No./eV ) | 1 / 9.0 | | Ionisation potential ( No./eV ) | 2 / 18.6 | | Natural isotope distribution ( Mass No./% ) | 192 / 0.79 | | Natural isotope distribution ( Mass No./% ) | 196 / 25.30 | | Natural isotope distribution ( Mass No./% ) | 190 / 0.01 | | Natural isotope distribution ( Mass No./% ) | 195 / 33.80 | | Natural isotope distribution ( Mass No./% ) | 198 / 7.20 | | Natural isotope distribution ( Mass No./% ) | 194 / 32.90 | | Photo-electric work function ( eV ) | 5.30 | | Thermal neutron absorption cross-section ( Barns ) | 9.0000 | | Valences shown | 1 ,2,3,4 |
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