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 |
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介绍 | 订货号 | 包装规格 | | Length (Round) | | 368-908-04 | 10mm | | 135-008-96 | 25mm | | 926-659-52 | 50mm | | 716-998-47 | 75mm | | 208-942-75 | 100mm | | 356-508-60 | 150mm | | 101-303-42 | 200mm | | 914-641-80 | 300mm |
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参数 | Diameter[直径] | 5mm | | Length[长度] | 10mm - 300mm | | Purity[纯度] | 99.99% | | 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 |
其他参数 公差 | 直径 | ≤10mm | ±10% |
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| 聚合物 | +20% / -10% | | 陶瓷 | +20% / -10% | |
| >10mm | ±5% | | 陶瓷 | +20% / -10% | | 聚合物 | +20% / -10% | |
| 长度 | <100mm | ±1mm |
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| ≥100mm | +5% / -1% |
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