硼,棒, B, 10mm 直径
| 品牌: | Goodfellow | | 纯度含量: | 99.6% | | 产地: | 英国 |
产品介绍
| 订货号 | 包装规格 | | Length (Round) | | 323-591-70 | 20mm | | 438-853-67 | 29mm | | 683-730-41 | 39mm |
产品参数 | Diameter[直径] | 10mm | | Length[长度] | 20mm - 39mm | | Production Method[生产方法] | Cast | | Purity[纯度] | 99.6% | | Typical Analysis(典型分析) | | C | 5900 PPM | | Fe | 6100 PPM | | H | 20 PPM | | N | 200 PPM | | O | 1500 PPM | | Physical Properties(物理性质) | | Boiling point ( C ) | 3700 | | Density ( g cm⁻³ ) | 2.340 - 2.370 @20℃ | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 8.300 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 35000 | | Latent heat of fusion ( J g⁻¹ ) | 2090.00 | | Melting point ( C ) | 2180.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 1030.0 @25℃ | | Atomic Properties(原子属性) | | Atomic number | 5 | | Atomic weight ( amu ) | 10.81000 | | Crystal structure | Tetragonal | | Electronic structure | He2s²2p¹ | | Ionisation potential ( No./eV ) | 4 / 259 | | Ionisation potential ( No./eV ) | 2 / 25.2 | | Ionisation potential ( No./eV ) | 1 / 8.30 | | Ionisation potential ( No./eV ) | 5 / 340 | | Ionisation potential ( No./eV ) | 3 37.9 | | Natural isotope distribution ( Mass No./% ) | 11 / 80.2 | | Natural isotope distribution ( Mass No./% ) | 10 / 19.8 | | Photo-electric work function ( eV ) | 4.50 | | Thermal neutron absorption cross-section ( Barns ) | 672.0000 | | Valences shown | 3 | | Mechanical Properties(机械性能) | | Hardness - Mohs ( Arc melted ) | 9.50 | | Material condition | Arc Melted | | Tensile modulus ( GPa ) ( Arc melted ) | 441.00 | | Tensile strength ( MPa ) ( Arc melted ) | 1580.00 - 2410.00 | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 1.8x10¹²@27℃ |
其他参数 公差 | 直径 | ≤10mm | ±10% |
|---|
| 聚合物 | +20% / -10% | | 陶瓷 | +20% / -10% | |
| >10mm | ±5% | | 陶瓷 | +20% / -10% | | 聚合物 | +20% / -10% | |
| 长度 | <100mm | ±1mm |
|---|
| ≥100mm | +5% / -1% |
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