名称：Goodfellow（顾特服）
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镓,块, Ga, 25mm Max. Lump Size, 4N
材料 >> 金属材料
| 品牌: | Goodfellow |
| 纯度含量: | 99.99% |
| 产地: | 英国 |
产品介绍
| 订货号 | 包装规格 |
| Weight | |
| 608-371-05 | 10g |
| 046-383-26 | 20g |
| 797-907-09 | 50g |
| 738-377-38 | 100g |
| 328-466-93 | 500g |
产品参数
| Maximum Lump Size[] | 25mm |
| Purity[纯度] | 99.99% |
| Weight[重量] | 10g - 500g |
| Thermal Properties(热性能) | |
| Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 18.300 @0-100℃ |
| Latent heat of evaporation ( J g⁻¹ ) | 3984 |
| Latent heat of fusion ( J g⁻¹ ) | 80.10 |
| Melting point ( C ) | 29.80 |
| Specific heat ( J K⁻¹ kg⁻¹ ) | 330.0 @25℃ |
| Thermal conductivity ( W m⁻¹ K⁻¹ ) | 33.00 - 41.00 @0-100℃ |
| Mechanical Properties(机械性能) | |
| Hardness - Mohs ( Polycrystalline ) | 1.50 - 2.50 |
| Material condition | Polycrystalline |
| Poisson's ratio ( Polycrystalline ) | 0.470 |
| Tensile modulus ( GPa ) ( Polycrystalline ) | 9.81 |
| Atomic Properties(原子属性) | |
| Atomic number | 31 |
| Atomic weight ( amu ) | 69.72000 |
| Crystal structure | Orthorhombic |
| Electronic structure | Ar3d¹⁰4s²4p¹ |
| Ionisation potential ( No./eV ) | 4 / 64.0 |
| Ionisation potential ( No./eV ) | 2 / 20.51 |
| Ionisation potential ( No./eV ) | 1 / 5.99 |
| Ionisation potential ( No./eV ) | 3 / 30.71 |
| Natural isotope distribution ( Mass No./% ) | 71 / 40 |
| Natural isotope distribution ( Mass No./% ) | 69 / 60 |
| Photo-electric work function ( eV ) | 4.20 |
| Thermal neutron absorption cross-section ( Barns ) | 3.1000 |
| Valences shown | 2 , 3 |
| Electrical Properties(电气特性) | |
| Electrical resistivity ( μOhmcm ) | 15.5@20℃ |
| Superconductivity critical temperature ( K ) | 1.0800 |
| Temperature coefficient ( K⁻¹ ) | 0.00400 @0-100℃ |
| Physical Properties(物理性质) | |
| Boiling point ( C ) | 2205 |
| Density ( g cm⁻³ ) | 5.904 @20℃ |
腐蚀
与其接触时可破坏活组织的化学品。
