钕,粉末, Nd, 250μm最大粒度, 3N
| 品牌: | Goodfellow | | 纯度含量: | 99.9% | | 产地: | 英国 |
产品介绍
May contain hydrogen and/or the metal hydride. | 订货号 | 包装规格 | | Weight | | 577-047-55 | 10g | | 130-939-72 | 20g | | 614-163-90 | 50g | | 017-720-07 | 100g |
产品参数 | Maximum Particle Size[最大粒度] | 250μm | | Purity[纯度] | 99.9% | | Weight[重量] | 10g - 200g | | Typical Analysis(典型分析) | | Al | 5 PPM | | Ca | 7 PPM | | Ce | 100 PPM | | Fe | 25 PPM | | La | 100 PPM | | Mg | <1 PPM | | Pr | 100 PPM | | Si | 15 PPM | | Sm | 100 PPM | | Ta | <0.1 PPM | | Y | 100 PPM | | Atomic Properties(原子属性) | | Atomic number | 60 | | Atomic weight ( amu ) | 144.24000 | | Crystal structure | Hexagonal Close Packed | | Electronic structure | Xe4f⁴6s² | | Ionisation potential ( No./eV ) | 2 / 10.72 | | Ionisation potential ( No./eV ) | 1 / 5.49 | | Natural isotope distribution ( Mass No./% ) | 148 / 5.7 | | Natural isotope distribution ( Mass No./% ) | 145 / 8.3 | | Natural isotope distribution ( Mass No./% ) | 142 / 27.2 | | Natural isotope distribution ( Mass No./% ) | 143 / 12.2 | | Natural isotope distribution ( Mass No./% ) | 150 / 5.6 | | Natural isotope distribution ( Mass No./% ) | 146 / 17.2 | | Natural isotope distribution ( Mass No./% ) | 144 / 23.8 | | Photo-electric work function ( eV ) | 3.20 | | Thermal neutron absorption cross-section ( Barns ) | 49.0000 | | Valences shown | 3 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 6.700 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 2000 | | Latent heat of fusion ( J g⁻¹ ) | 75.00 | | Melting point ( C ) | 1021.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 205.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 13.00 @0-100℃ | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Polycrystalline ) | 33.3 | | Hardness - Vickers ( kgf mm⁻² ) ( Polycrystalline ) | 35 | | Material condition | Polycrystalline | | Poisson's ratio ( Polycrystalline ) | 0.310 | | Tensile modulus ( GPa ) ( Polycrystalline ) | 37.90 | | Tensile strength ( MPa ) ( Polycrystalline ) | 172.00 | | Yield strength ( MPa ) ( Polycrystalline ) | 165.0 | | Physical Properties(物理性质) | | Boiling point ( C ) | 3068 | | Density ( g cm⁻³ ) | 7.004 @20℃ | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 64@20℃ | | Temperature coefficient ( K⁻¹ ) | 0.00164 @0-100℃ |
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