镱,粉末, Yb, 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 | | 075-917-54 | 10g | | 551-523-90 | 30g |
产品参数 | Maximum Particle Size[最大粒度] | 500μm | | Purity[纯度] | 99.9% | | Weight[重量] | 10g - 30g | | Typical Analysis(典型分析) | | Ca | 50 PPM | | Cu | <1 PPM | | Fe | 30 PPM | | La | 400 PPM | | Lu | 100 PPM | | Mg | 3 PPM | | Si | 1 PPM | | Sn | 1 PPM | | Sr | 1 PPM | | Tm | 100 PPM | | Atomic Properties(原子属性) | | Atomic number | 70 | | Atomic weight ( amu ) | 173.04000 | | Crystal structure | Hexagonal Close Packed | | Electronic structure | Xe4f¹⁴6s² | | Ionisation potential ( No./eV ) | 3 / 25.2 | | Ionisation potential ( No./eV ) | 2 / 12.2 | | Ionisation potential ( No./eV ) | 1 / 6.25 | | Natural isotope distribution ( Mass No./% ) | 173 / 16.2 | | Natural isotope distribution ( Mass No./% ) | 174 / 31.7 | | Natural isotope distribution ( Mass No./% ) | 172 / 21.9 | | Natural isotope distribution ( Mass No./% ) | 168 / 0.1 | | Natural isotope distribution ( Mass No./% ) | 170 / 3.1 | | Natural isotope distribution ( Mass No./% ) | 171 / 14.3 | | Natural isotope distribution ( Mass No./% ) | 176 / 12.7 | | Thermal neutron absorption cross-section ( Barns ) | 37.0000 | | Valences shown | 2 ,3 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 25.000 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 921 | | Latent heat of fusion ( J g⁻¹ ) | 53.20 | | Melting point ( C ) | 819.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 145.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 32.90 @0-100℃ | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Polycrystalline ) | 13.5 | | Hardness - Brinell ( Polycrystalline ) | 25 | | Material condition | Polycrystalline | | Poisson's ratio ( Polycrystalline ) | 0.280 | | Tensile modulus ( GPa ) ( Polycrystalline ) | 17.80 | | Tensile strength ( MPa ) ( Polycrystalline ) | 68.90 | | Yield strength ( MPa ) ( Polycrystalline ) | 65.5 | | Physical Properties(物理性质) | | Boiling point ( C ) | 1194 | | Density ( g cm⁻³ ) | 6.977 @20℃ | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 28@20℃ | | Temperature coefficient ( K⁻¹ ) | 0.00130 @0-100℃ |
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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Goodfellow（顾特服）
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