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 |
产品介绍 Nominally 6.35mm diameter x 6.35mm length pellets. | 订货号 | 包装规格 | | Weight | | 619-288-48 | 20g | | 794-350-20 | 50g | | 418-659-92 | 100g |
产品参数 | High Purity[纯度] | 99.99% | | Maximum Lump Size[] | 10mm | | Product Shape[形状] | Pellets | | Weight[重量] | 20g - 100g | | Typical Analysis(典型分析) | | Ag | <5 PPM | | Al | <5 PPM | | Ca | <8 PPM | | Cr | <2 PPM | | Cu | <5 PPM | | Mg | 2 PPM | | Mn | 1 PPM | | Ni | <5 PPM | | Si | <10 PPM | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 12.100 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 6095 | | Latent heat of fusion ( J g⁻¹ ) | 272.00 | | Melting point ( C ) | 1535.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 444.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 80.40 @0-100℃ | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Polycrystalline ) | 169.8 | | Hardness - Mohs ( Polycrystalline ) | 4.00 - 5.00 | | Izod toughness ( J m⁻¹ ) ( Polycrystalline ) | 8 - 16 | | Material condition | Polycrystalline | | Poisson's ratio ( Polycrystalline ) | 0.293 | | Tensile modulus ( GPa ) ( Polycrystalline ) | 211.40 | | Tensile strength ( MPa ) ( Polycrystalline ) | 180.00 - 210.00 | | Yield strength ( MPa ) ( Polycrystalline ) | 120.0 - 150.0 | | Atomic Properties(原子属性) | | Atomic number | 26 | | Atomic weight ( amu ) | 55.84700 | | Crystal structure | Body Centred Cubic | | Electronic structure | Ar3d⁶4s² | | Ionisation potential ( No./eV ) | 2 / 16.18 | | Ionisation potential ( No./eV ) | 5 / 75.0 | | Ionisation potential ( No./eV ) | 4 / 54.8 | | Ionisation potential ( No./eV ) | 3 / 30.65 | | Ionisation potential ( No./eV ) | 1 / 7.87 | | Ionisation potential ( No./eV ) | 6 / 99 | | Natural isotope distribution ( Mass No./% ) | 58 / 0.3 | | Natural isotope distribution ( Mass No./% ) | 57 / 2.1 | | Natural isotope distribution ( Mass No./% ) | 56 / 91.8 | | Natural isotope distribution ( Mass No./% ) | 54 / 5.8 | | Photo-electric work function ( eV ) | 4.40 | | Thermal neutron absorption cross-section ( Barns ) | 2.5600 | | Valences shown | 2 , 3, 4, 6 | | Physical Properties(物理性质) | | Boiling point ( C ) | 2750 | | Density ( g cm⁻³ ) | 7.870 @20℃ | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 10.1@20℃ | | Temperature coefficient ( K⁻¹ ) | 0.00650 @0-100℃ | | Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 1.98 |
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