品牌: Goodfellow纯度含量: 99.999%产地: 英国
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| 品牌: | Goodfellow | | 纯度含量: | 99.999% | | 产地: | 英国 |
产品介绍 Nominally 3mm diameter x 3mm length pellets. | 订货号 | 包装规格 | | Weight | | 484-071-82 | 1g | | 262-821-23 | 5g | | 722-093-25 | 10g | | 282-444-71 | 20g | | 949-947-20 | 30g | | 024-293-99 | 40g | | 942-951-93 | 50g |
产品参数 | High Purity[纯度] | 99.999% | | Maximum Lump Size[] | 4mm | | Weight[重量] | 1g - 60g | | Typical Analysis(典型分析) | | Ag | 3 PPM | | Cu | 3 PPM | | Fe | 2 PPM | | Mg | 2 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℃ |
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