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 | 694-372-78 | 25mm x 25mm | 933-237-74 | 50mm x 50mm | Disc | 607-445-70 | 2mm | 779-676-57 | 4mm | 459-572-80 | 6mm | 446-607-07 | 8mm | 825-882-47 | 10mm | 235-306-98 | 15mm | 413-368-72 | 25mm | Sizes | 588-979-73 | 25mm x 25mm | 597-767-34 | 50mm x 50mm | 769-097-97 | 100mm x 100mm |
产品参数 Diameter[直径] | 2mm - 25mm | Purity[纯度] | 99.9% | Thickness[厚度] | 0.006mm | Typical Analysis(典型分析) | Ag | 300 PPM | Al | 1 PPM | B | 1 PPM | Bi | 2 PPM | Ca | 4 PPM | Cd | 4 PPM | Cr | 5 PPM | Cu | 500 PPM | Fe | 2 PPM | K | 15 PPM | Mg | 1 PPM | Mn | 1 PPM | Na | 1 PPM | Ni | 100 PPM | Pb | 15 PPM | Pd | 7 PPM | Sb | 7 PPM | Si | 2 PPM | Sn | 5 PPM | V | 2 PPM | Zr | 10 PPM | Mechanical Properties(机械性能) | Bulk modulus ( GPa ) ( Hard ) | 171.0 | Bulk modulus ( GPa ) ( Soft ) | 171.0 | Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 60 | Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 20 - 30 | Material condition | Soft | Material condition | Hard | Poisson's ratio ( Hard ) | 0.420 | Poisson's ratio ( Soft ) | 0.420 | Tensile modulus ( GPa ) ( Hard ) | 78.50 | Tensile modulus ( GPa ) ( Soft ) | 78.50 | Tensile strength ( MPa ) ( Hard ) | 220.00 | Tensile strength ( MPa ) ( Soft ) | 130.00 | Yield strength ( MPa ) ( Hard ) | 205.0 | Atomic Properties(原子属性) | Atomic number | 79 | Atomic weight ( amu ) | 196.96650 | Crystal structure | Face Centred Cubic | Electronic structure | Xe4f¹⁴5d¹⁰6s¹ | Ionisation potential ( No./eV ) | 1 / 9.22 | Ionisation potential ( No./eV ) | 2 / 20.5 | Photo-electric work function ( eV ) | 4.80 | Thermal neutron absorption cross-section ( Barns ) | 98.8000 | Valences shown | 1 ,3 | Thermal Properties(热性能) | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 14.100 @0-100℃ | Latent heat of evaporation ( J g⁻¹ ) | 1738 | Latent heat of fusion ( J g⁻¹ ) | 64.90 | Melting point ( C ) | 1064.40 | Specific heat ( J K⁻¹ kg⁻¹ ) | 129.0 @25℃ | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 318.00 @0-100℃ | Electrical Properties(电气特性) | Electrical resistivity ( μOhmcm ) | 2.2@20℃ | Temperature coefficient ( K⁻¹ ) | 0.00400 @0-100℃ | Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 0.74 | Physical Properties(物理性质) | Boiling point ( C ) | 3080 | Density ( g cm⁻³ ) | 19.300 @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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