名称：Goodfellow（顾特服）
认证：工商信息已核实
联系人：
认证：工商信息已核实
联系人：
扫一扫，轻松在手机访问
钬,粉末, Ho, 500μm最大粒度, 3N
材料 >> 金属材料
| 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 | |
| 310-285-43 | 5g |
| 785-676-54 | 10g |
产品参数
| Maximum Particle Size[最大粒度] | 500μm |
| Purity[纯度] | 99.9% |
| Weight[重量] | 5g - 10g |
| Typical Analysis(典型分析) | |
| Al | 10 PPM |
| Ca | 30 PPM |
| Cu | 1 PPM |
| Er | 400 PPM |
| Eu | 200 PPM |
| Fe | 10 PPM |
| Mg | 1 PPM |
| Mn | 2 PPM |
| Si | 5 PPM |
| Tb | 50 PPM |
| Tm | 170 PPM |
| Y | 70 PPM |
| Yb | 70 PPM |
| Electrical Properties(电气特性) | |
| Electrical resistivity ( μOhmcm ) | 94@20℃ |
| Temperature coefficient ( K⁻¹ ) | 0.00171 @0-100℃ |
| Physical Properties(物理性质) | |
| Boiling point ( C ) | 2695 |
| Density ( g cm⁻³ ) | 8.803 @20℃ |
| Atomic Properties(原子属性) | |
| Atomic number | 67 |
| Atomic weight ( amu ) | 164.93040 |
| Crystal structure | Hexagonal Close Packed |
| Electronic structure | Xe4f¹¹6s² |
| Ionisation potential ( No./eV ) | 2 / 11.80 |
| Ionisation potential ( No./eV ) | 1 / 6.02 |
| Thermal neutron absorption cross-section ( Barns ) | 65.0000 |
| Valences shown | 3 |
| Thermal Properties(热性能) | |
| Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 9.500 @0-400℃ |
| Latent heat of evaporation ( J g⁻¹ ) | 1695 |
| Latent heat of fusion ( J g⁻¹ ) | 104.00 |
| Melting point ( C ) | 1474.00 |
| Specific heat ( J K⁻¹ kg⁻¹ ) | 165.0 @25℃ |
| Thermal conductivity ( W m⁻¹ K⁻¹ ) | 16.20 @0-100℃ |
| Mechanical Properties(机械性能) | |
| Bulk modulus ( GPa ) ( Polycrystalline ) | 40.5 |
| Hardness - Vickers ( kgf mm⁻² ) ( Polycrystalline ) | 60 |
| Material condition | Polycrystalline |
| Poisson's ratio ( Polycrystalline ) | 0.225 |
| Tensile modulus ( GPa ) ( Polycrystalline ) | 66.90 |
| Tensile strength ( MPa ) ( Polycrystalline ) | 262.00 |
| Yield strength ( MPa ) ( Polycrystalline ) | 221.0 |
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。
