镁,粉末, Mg, 50μm最大粒度
| 品牌: | Goodfellow | | 纯度含量: | 99.8% | | 产地: | 英国 |
产品介绍
| 订货号 | 包装规格 | | Weight | | 831-906-63 | 100 g | | 988-337-08 | 200 g | | 542-130-16 | 500 g | | 766-270-97 | 1000 g |
产品参数 | Maximum Particle Size[最大粒度] | 50μm | | Purity[纯度] | 99.8% | | Weight[重量] | 100 g - 1000 g | | Typical Analysis(典型分析) | | Al | <500 PPM | | C | <60 PPM | | Cl | <30 PPM | | Cu | <20 PPM | | Fe | <400 PPM | | Mn | <300 PPM | | Zn | <100 PPM | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 26.000 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 5254 | | Latent heat of fusion ( J g⁻¹ ) | 362.00 | | Melting point ( C ) | 649.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 1020.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 156.00 @0-100℃ | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Hard ) | 35.6 | | Bulk modulus ( GPa ) ( Soft ) | 35.6 | | Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 35 - 45 | | Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 30 - 35 | | Material condition | Hard | | Material condition | Soft | | Poisson's ratio ( Hard ) | 0.291 | | Poisson's ratio ( Soft ) | 0.291 | | Tensile modulus ( GPa ) ( Hard ) | 44.70 | | Tensile modulus ( GPa ) ( Soft ) | 44.70 | | Tensile strength ( MPa ) ( Hard ) | 232.00 | | Tensile strength ( MPa ) ( Soft ) | 185.00 | | Yield strength ( MPa ) ( Hard ) | 100.0 | | Yield strength ( MPa ) ( Soft ) | 69.0 | | Atomic Properties(原子属性) | | Atomic number | 12 | | Atomic weight ( amu ) | 24.30500 | | Crystal structure | Hexagonal Close Packed | | Electronic structure | Ne3s² | | Ionisation potential ( No./eV ) | 2 / 15.03 | | Ionisation potential ( No./eV ) | 6 / 187 | | Ionisation potential ( No./eV ) | 4 / 109 | | Ionisation potential ( No./eV ) | 5 / 141 | | Ionisation potential ( No./eV ) | 1 / 7.65 | | Ionisation potential ( No./eV ) | 3 / 80.1 | | Natural isotope distribution ( Mass No./% ) | 24 / 78.99 | | Natural isotope distribution ( Mass No./% ) | 26 / 11.01 | | Natural isotope distribution ( Mass No./% ) | 25 / 10.00 | | Photo-electric work function ( eV ) | 3.66 | | Thermal neutron absorption cross-section ( Barns ) | 0.0640 | | Valences shown | 2 | | Physical Properties(物理性质) | | Boiling point ( C ) | 1090 | | Density ( g cm⁻³ ) | 1.740 @20℃ | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 4.2@20℃ | | Temperature coefficient ( K⁻¹ ) | 0.00425 @0-100℃ | | Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 0.44 |
易燃 与火焰接触后点燃的化学品，或与水接触后逸出高度易燃气体的化学品。
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