品牌: Goodfellow纯度含量: 99.9%产地: 英国
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| 品牌: | Goodfellow | | 纯度含量: | 99.9% | | 产地: | 英国 |
产品介绍 | 订货号 | 包装规格 | | 717-204-01 | 25 mm x 25 mm |
产品参数 | Purity[纯度] | 99.9% | | Thickness[厚度] | 3mm | | Typical Analysis(典型分析) | | Ag | <1 PPM | | Au | 3 PPM | | Ca | 30 PPM | | Cr | 3 PPM | | Cu | 2 PPM | | Fe | 30 PPM | | Ir | 50 PPM | | Mg | 3 PPM | | Mn | <1 PPM | | Os | 300 PPM | | Pb | 3 PPM | | Pd | 10 PPM | | Pt | 50 PPM | | Rh | 50 PPM | | Si | 20 PPM | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 9.600 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 5610 | | Latent heat of fusion ( J g⁻¹ ) | 252.00 | | Melting point ( C ) | 2310.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 238.0 @20℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 117.00 @0-100℃ | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 7.7@20℃ | | Superconductivity critical temperature ( K ) | 0.4900 | | Temperature coefficient ( K⁻¹ ) | 0.00410 @0-100 | | Atomic Properties(原子属性) | | Atomic number | 44 | | Atomic weight ( amu ) | 101.07000 | | Crystal structure | Hexagonal Close Packed | | Electronic structure | Kr4d⁷5s¹ | | Ionisation potential ( No./eV ) | 2 / 16.8 | | Ionisation potential ( No./eV ) | 3 / 28.5 | | Ionisation potential ( No./eV ) | 1 / 7.36 | | Natural isotope distribution ( Mass No./% ) | 99 / 12.7 | | Natural isotope distribution ( Mass No./% ) | 96 / 5.5 | | Natural isotope distribution ( Mass No./% ) | 104 / 18.6 | | Natural isotope distribution ( Mass No./% ) | 98 / 1.9 | | Natural isotope distribution ( Mass No./% ) | 101 / 17.1 | | Natural isotope distribution ( Mass No./% ) | 100 / 12.6 | | Natural isotope distribution ( Mass No./% ) | 102 / 31.6 | | Photo-electric work function ( eV ) | 4.71 | | Thermal neutron absorption cross-section ( Barns ) | 3.0000 | | Valences shown | 0 ,1,2,3,4,5,6,7,8 | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Hard ) | 286.0 | | Bulk modulus ( GPa ) ( Soft ) | 286.0 | | Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 750 | | Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 350 | | Material condition | Hard | | Material condition | Soft | | Poisson's ratio ( Hard ) | 0.250 | | Poisson's ratio ( Soft ) | 0.250 | | Tensile modulus ( GPa ) ( Hard ) | 432.00 | | Tensile modulus ( GPa ) ( Soft ) | 432.00 | | Tensile strength ( MPa ) ( Soft ) | 495.00 | | Yield strength ( MPa ) ( Soft ) | 372.0 | | Physical Properties(物理性质) | | Boiling point ( C ) | 3900 | | Density ( g cm⁻³ ) | 12.200 @20 |
其他参数 公差 | 长度 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% | | 直径 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% | | 厚度 | <0.01mm | ±25% |
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| ≤0.05mm | ±15% | | >0.05mm | ±10% | | 长度 1 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% | | 长度 2 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% |
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