铽,粉末, Tb, 500μm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 | | 217-665-52 | 1g | | 208-190-88 | 2g | | 023-861-66 | 5g |
产品参数 | Maximum Particle Size[最大粒度] | 500μm | | Purity[纯度] | 99.9% | | Weight[重量] | 1g - 5g | | Typical Analysis(典型分析) | | Ca | 1 PPM | | Cu | <1 PPM | | Dy | 50 PPM | | Eu | 50 PPM | | Gd | 50 PPM | | Ho | 70 PPM | | Mg | <1 PPM | | Si | 2 PPM | | Sm | 20 PPM | | Y | 100 PPM | | Atomic Properties(原子属性) | | Atomic number | 65 | | Atomic weight ( amu ) | 158.92540 | | Crystal structure | Hexagonal Close Packed | | Electronic structure | Xe4f⁹6s² | | Ionisation potential ( No./eV ) | 2 / 11.52 | | Ionisation potential ( No./eV ) | 1 / 5.85 | | Photo-electric work function ( eV ) | 3.00 | | Thermal neutron absorption cross-section ( Barns ) | 30.0000 | | Valences shown | 3 ,4 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 7.000 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 1840 | | Latent heat of fusion ( J g⁻¹ ) | 103.00 | | Melting point ( C ) | 1356.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 183.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 11.10 @0-100℃ | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Polycrystalline ) | 40.8 | | Hardness - Vickers ( kgf mm⁻² ) ( Polycrystalline ) | 60 | | Material condition | Polycrystalline | | Poisson's ratio ( Polycrystalline ) | 0.265 | | Tensile modulus ( GPa ) ( Polycrystalline ) | 57.50 | | Physical Properties(物理性质) | | Boiling point ( C ) | 3123 | | Density ( g cm⁻³ ) | 8.272 @20℃ | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 116@20℃ |
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