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% |
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聚合物 | +20% / -10% | 陶瓷 | +20% / -10% | |
>10mm | ±5% | 陶瓷 | +20% / -10% | 聚合物 | +20% / -10% | |
长度 | <100mm | ±1mm |
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≥100mm | +5% / -1% |
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