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 |
半岛bd体育手机客户端
介绍 | 订货号 | 包装规格 | | Weight | | 107-634-56 | 20g | | 454-316-47 | 50g | | 789-555-32 | 100g | | 929-126-25 | 200g | | 253-060-93 | 300g | | 912-152-02 | 400g | | 563-997-02 | 500g | | 363-694-29 | 1000g | | 619-587-24 | 1500g | | 167-039-44 | 2000g |
半岛bd体育手机客户端
参数 | High Purity[纯度] | 99.999% | | Maximum Lump Size[] | 3mm | | Product Shape[形状] | Pellets | | Weight[重量] | 20g - 2000g | | Typical Analysis(典型分析) | | Ag | 0.2 PPM | | Al | <0.1 PPM | | B | <0.1 PPM | | Ba | <0.1 PPM | | Be | <0.01 PPM | | Bi | <0.05 PPM | | Ca | 0.2 PPM | | Cd | <0.01 PPM | | Co | <0.1 PPM | | Cr | <0.05 PPM | | Cu | 0.6 PPM | | Fe | 1 PPM | | Li | <0.01 PPM | | Mg | 0.06 PPM | | Mn | <0.01 PPM | | Mo | <0.1 PPM | | Na | <0.1 PPM | | Ni | <0.1 PPM | | Pb | <0.1 PPM | | Si | <1 PPM | | Sn | <0.1 PPM | | Te | <20 PPM | | Ti | <0.05 PPM | | V | <0.05 PPM | | Zn | <0.5 PPM | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 37.000 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 333 | | Latent heat of fusion ( J g⁻¹ ) | 69.00 | | Melting point ( C ) | 217.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 321.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.50 @0-100℃ | | Atomic Properties(原子属性) | | Atomic number | 34 | | Atomic weight ( amu ) | 78.96000 | | Crystal structure | Hexagonal | | Electronic structure | Ar3d¹⁰4s²4p⁴ | | Ionisation potential ( No./eV ) | 4 / 42.9 | | Ionisation potential ( No./eV ) | 6 / 81.7 | | Ionisation potential ( No./eV ) | 5 / 68.3 | | Ionisation potential ( No./eV ) | 1 / 9.75 | | Ionisation potential ( No./eV ) | 3 / 30.8 | | Ionisation potential ( No./eV ) | 2 / 21.2 | | Natural isotope distribution ( Mass No./% ) | 76 / 9.0 | | Natural isotope distribution ( Mass No./% ) | 82 / 9.2 | | Natural isotope distribution ( Mass No./% ) | 74 / 0.9 | | Natural isotope distribution ( Mass No./% ) | 80 / 49.8 | | Natural isotope distribution ( Mass No./% ) | 77 / 7.6 | | Natural isotope distribution ( Mass No./% ) | 78 / 23.5 | | Photo-electric work function ( eV ) | 5.90 | | Thermal neutron absorption cross-section ( Barns ) | 12.2000 | | Valences shown | -2 ,4,6 | | Physical Properties(物理性质) | | Boiling point ( C ) | 685 | | Density ( g cm⁻³ ) | 4.790 @20℃ | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Polycrystalline ) | 8.3 | | Hardness - Mohs ( Polycrystalline ) | 2.00 | | Material condition | Polycrystalline | | Poisson's ratio ( Polycrystalline ) | 0.447 | | Tensile modulus ( GPa ) ( Polycrystalline ) | 58.00 | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 12@20℃ |
环境 进入环境后可对环境的一个或多个组成部分构成即时或延迟危害的化学品。
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