| 品牌: | Goodfellow |
| 纯度含量: | 99.8% |
| 产地: | 英国 |
| 订货号 | 包装规格 |
| Weight | |
| 048-337-38 | 100g |
| 042-166-87 | 200g |
| 477-365-66 | 300g |
| 849-437-11 | 400g |
| 270-853-05 | 500g |
| 856-626-25 | 1000g |
| 259-615-09 | 2000g |
| 260-902-09 | 3000g |
| 349-183-34 | 4000g |
| 569-026-46 | 5000g |
| 750-312-45 | 6000g |
| 352-059-96 | 7000g |
| 234-871-92 | 8000g |
| 948-034-91 | 9000g |
| 895-777-53 | 10000g |
| 726-129-06 | 25000g |
| 600-654-14 | 50000g |
| 190-529-50 | 75000g |
| 758-475-41 | 100000g |
产品参数
| Maximum Particle Size[最大粒度] | 250μm |
| Purity[纯度] | 99.8% |
| Surface Finish[表面光洁度] | Ground |
| Weight[重量] | 100g - 100000g |
| Typical Analysis(典型分析) | |
| Ca | <100 PPM |
| Thermal Properties(热性能) | |
| Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 26.000 @0-100℃ |
| Latent heat of evaporation ( J g⁻¹ ) | 5254 |
| Latent heat of fusion ( J g⁻¹ ) | 362.00 |
| Melting point ( C ) | 649.00 |
| Specific heat ( J K⁻¹ kg⁻¹ ) | 1020.0 @25℃ |
| Thermal conductivity ( W m⁻¹ K⁻¹ ) | 156.00 @0-100℃ |
| Mechanical Properties(机械性能) | |
| Bulk modulus ( GPa ) ( Hard ) | 35.6 |
| Bulk modulus ( GPa ) ( Soft ) | 35.6 |
| Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 35 - 45 |
| Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 30 - 35 |
| Material condition | Hard |
| Material condition | Soft |
| Poisson's ratio ( Hard ) | 0.291 |
| Poisson's ratio ( Soft ) | 0.291 |
| Tensile modulus ( GPa ) ( Hard ) | 44.70 |
| Tensile modulus ( GPa ) ( Soft ) | 44.70 |
| Tensile strength ( MPa ) ( Hard ) | 232.00 |
| Tensile strength ( MPa ) ( Soft ) | 185.00 |
| Yield strength ( MPa ) ( Hard ) | 100.0 |
| Yield strength ( MPa ) ( Soft ) | 69.0 |
| Atomic Properties(原子属性) | |
| Atomic number | 12 |
| Atomic weight ( amu ) | 24.30500 |
| Crystal structure | Hexagonal Close Packed |
| Electronic structure | Ne3s² |
| Ionisation potential ( No./eV ) | 2 / 15.03 |
| Ionisation potential ( No./eV ) | 6 / 187 |
| Ionisation potential ( No./eV ) | 4 / 109 |
| Ionisation potential ( No./eV ) | 5 / 141 |
| Ionisation potential ( No./eV ) | 1 / 7.65 |
| Ionisation potential ( No./eV ) | 3 / 80.1 |
| Natural isotope distribution ( Mass No./% ) | 24 / 78.99 |
| Natural isotope distribution ( Mass No./% ) | 26 / 11.01 |
| Natural isotope distribution ( Mass No./% ) | 25 / 10.00 |
| Photo-electric work function ( eV ) | 3.66 |
| Thermal neutron absorption cross-section ( Barns ) | 0.0640 |
| Valences shown | 2 |
| Physical Properties(物理性质) | |
| Boiling point ( C ) | 1090 |
| Density ( g cm⁻³ ) | 1.740 @20℃ |
| Electrical Properties(电气特性) | |
| Electrical resistivity ( μOhmcm ) | 4.2@20℃ |
| Temperature coefficient ( K⁻¹ ) | 0.00425 @0-100℃ |
| Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 0.44 |

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。
