铥,块, Tm, 25mm Max. Lump Size
| 品牌: | Goodfellow | | 纯度含量: | 99.7% | | 产地: | 英国 |
产品介绍
| 订货号 | 包装规格 | | Weight | | 148-581-85 | 10 g | | 058-751-73 | 20 g |
产品参数 | Maximum Lump Size[] | 25mm | | Purity[纯度] | 99.7% | | Weight[重量] | 10 g - 20 g | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 90@20℃ | | Temperature coefficient ( K⁻¹ ) | 0.00195 @0-100℃ | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 11.600 @0-400℃ | | Latent heat of evaporation ( J g⁻¹ ) | 1456 | | Latent heat of fusion ( J g⁻¹ ) | 109.00 | | Melting point ( C ) | 1545.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 160.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 16.90 @0-100℃ | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Polycrystalline ) | 40.5 | | Hardness - Brinell ( Polycrystalline ) | 53 | | Material condition | Polycrystalline | | Poisson's ratio ( Polycrystalline ) | 0.235 | | Tensile modulus ( GPa ) ( Polycrystalline ) | 76.00 | | Physical Properties(物理性质) | | Boiling point ( C ) | 1947 | | Density ( g cm⁻³ ) | 9.322 @25℃ | | Atomic Properties(原子属性) | | Atomic number | 69 | | Atomic weight ( amu ) | 168.93420 | | Crystal structure | Hexagonal Close Packed | | Electronic structure | Xe4f¹³6s² | | Ionisation potential ( No./eV ) | 1 / 6.18 | | Ionisation potential ( No./eV ) | 3 / 23.71 | | Ionisation potential ( No./eV ) | 2 / 12.05 | | Thermal neutron absorption cross-section ( Barns ) | 115.0000 | | Valences shown | 2 ,3 |
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