品牌: Goodfellow纯度含量: 99.8%产地: 英国
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| 品牌: | Goodfellow | | 纯度含量: | 99.8% | | 产地: | 英国 |
产品介绍 | 订货号 | 包装规格 | | Disc | | 514-425-45 | 4mm | | 303-181-84 | 6mm | | 897-731-38 | 8mm | | 216-414-53 | 10mm | | 051-818-14 | 15mm | | Sizes | | 378-737-38 | 25mm x 25mm | | 412-317-97 | 50mm x 50mm | | 203-361-49 | 100mm x 100mm |
产品参数 | Diameter[直径] | 4mm - 15mm | | Purity[纯度] | 99.8% | | Thickness[厚度] | 0.02mm | | Typical Analysis(典型分析) | | Ag | 10 PPM | | Al | 3 PPM | | Au | 200 PPM | | Bi | 10 PPM | | Ca | 5 PPM | | Cd | 30 PPM | | Cu | 300 PPM | | Fe | 200 PPM | | Ga | 7 PPM | | K | 50 PPM | | Mg | <1 PPM | | Mn | 20 PPM | | Mo | 1 PPM | | Na | 200 PPM | | Ni | 500 PPM | | Pb | 400 PPM | | Sn | 20 PPM | | Tl | 3 PPM | | Atomic Properties(原子属性) | | Atomic number | 49 | | Atomic weight ( amu ) | 114.82000 | | Crystal structure | Face Centred Tetragonal | | Electronic structure | Kr4d¹⁰5s²5p¹ | | Ionisation potential ( No./eV ) | 3 / 28.0 | | Ionisation potential ( No./eV ) | 4 / 54 | | Ionisation potential ( No./eV ) | 2 / 18.9 | | Ionisation potential ( No./eV ) | 1 / 5.79 | | Natural isotope distribution ( Mass No./% ) | 113 / 4.3 | | Natural isotope distribution ( Mass No./% ) | 115 / 95.7 | | Photo-electric work function ( eV ) | 4.12 | | Thermal neutron absorption cross-section ( Barns ) | 194.0000 | | Valences shown | 1 , 2, 3 | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Polycrystalline ) | 35.3 | | Bulk modulus ( GPa ) ( Soft ) | 35.3 | | Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | < 10 | | Material condition | Polycrystalline | | Material condition | Soft | | Poisson's ratio ( Polycrystalline ) | 0.450 | | Poisson's ratio ( Soft ) | 0.450 | | Tensile modulus ( GPa ) ( Polycrystalline ) | 10.60 | | Tensile modulus ( GPa ) ( Soft ) | 10.60 | | Tensile strength ( MPa ) ( Soft ) | 2.60 - 4.50 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 24.800 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 2024 | | Latent heat of fusion ( J g⁻¹ ) | 28.50 | | Melting point ( C ) | 156.60 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 234.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 81.80 @0-100℃ | | Physical Properties(物理性质) | | Boiling point ( C ) | 2080 | | Density ( g cm⁻³ ) | 7.300 @20℃ | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 8.8@20℃ | | Superconductivity critical temperature ( K ) | 3.4100 | | Temperature coefficient ( K⁻¹ ) | 0.00520 @0-100℃ | | Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 0.69 |
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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