锰,粉末, Mn, 20μm最大粒度
| 品牌: | Goodfellow | | 纯度含量: | 99.5% | | 产地: | 英国 |
产品介绍
| 订货号 | 包装规格 | | Weight | | 422-487-07 | 50g | | 187-136-95 | 100g | | 536-014-09 | 200g | | 310-720-36 | 500g | | 100-362-79 | 1000g | | 153-596-87 | 2000g |
产品参数 | Maximum Particle Size[最大粒度] | 20μm | | Purity[纯度] | 99.5% | | Weight[重量] | 50g - 2000g | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Polycrystalline ) | 118.0 | | Hardness - Mohs ( Polycrystalline ) | 5.00 | | Material condition | Polycrystalline | | Poisson's ratio ( Polycrystalline ) | 0.240 | | Tensile modulus ( GPa ) ( Polycrystalline ) | 191.00 | | Atomic Properties(原子属性) | | Atomic number | 25 | | Atomic weight ( amu ) | 54.93800 | | Crystal structure | Body Centred Cubic | | Electronic structure | Ar3d⁵4s² | | Ionisation potential ( No./eV ) | 2 / 15.64 | | Ionisation potential ( No./eV ) | 3 / 33.67 | | Ionisation potential ( No./eV ) | 4 / 51.2 | | Ionisation potential ( No./eV ) | 6 / 95 | | Ionisation potential ( No./eV ) | 5 / 72.4 | | Ionisation potential ( No./eV ) | 1 / 7.43 | | Photo-electric work function ( eV ) | 3.80 | | Thermal neutron absorption cross-section ( Barns ) | 13.3000 | | Valences shown | 1 , 2, 3, 4, 6, 7 | | Physical Properties(物理性质) | | Boiling point ( C ) | 1962 | | Density ( g cm⁻³ ) | 7.400 @20℃ | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 23.000 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 4207 | | Latent heat of fusion ( J g⁻¹ ) | 267.00 | | Melting point ( C ) | 1244.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 477.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 7.81 @0-100℃ | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 160@20℃ |
刺激 通过与皮肤或粘膜即时、长时间或反复接触可引起炎症的非腐蚀化学品。
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