金粉末, Au
品牌: | Goodfellow | 纯度含量: | 99.95% | 产地: | 英国 |
产品介绍
订货号 | 包装规格 | Weight | 665-470-20 | 1 g | 897-593-34 | 2 g | 359-069-91 | 5 g |
产品参数 Class[类别] | Nanomaterials | Mean Particle Size[平均粒度] | 0.015 | Purity[纯度] | 99.95% | State[性状] | Nanopowder | Weight[重量] | 1 g - 5 g | Typical Analysis(典型分析) | Ag | <50 PPM | Al | <25 PPM | Cu | <10 PPM | Mg | <50 PPM | Pd | <50 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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