碳,粉末, C, 75μm 最大粒度
品牌: | Goodfellow | 纯度含量: | 99.997% | 产地: | 英国 |
产品介绍
订货号 | 包装规格 | Weight | 015-116-26 | 10 g | 141-236-85 | 20 g | 445-382-95 | 50 g | 523-523-55 | 100 g |
产品参数 Grade[等级] | Graphite | High Purity[纯度] | 99.997% | Maximum Particle Size[最大粒度] | 75μm | Weight[重量] | 10 g - 100 g | Typical Analysis(典型分析) | Al | 0.2 PPM | B | 1 PPM | Ca | 0.05 PPM | Cu | 0.01 PPM | Fe | 0.2 PPM | Mg | 0.05 PPM | Na | 0.02 PPM | Si | 1 PPM | Thermal Properties(热性能) | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 0.600 - 4.300 @0-100℃ | Melting point ( C ) | 3650.00 | Specific heat ( J K⁻¹ kg⁻¹ ) | 712.0 @25℃ | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 80.00 - 240.00 @0-100℃ | Mechanical Properties(机械性能) | Bulk modulus ( GPa ) ( Diamond ) | 542.0 | Bulk modulus ( GPa ) ( Graphite ) | 33.0 | Hardness - Mohs ( Diamond ) | 10.00 | Hardness - Mohs ( Graphite ) | 0.50 - 1.00 | Material condition | Diamond | Material condition | Graphite | Tensile modulus ( GPa ) ( Graphite ) | 4.80 | Atomic Properties(原子属性) | Atomic number | 6 | Atomic weight ( amu ) | 12.01100 | Crystal structure | Hexagonal/Diamond | Electronic structure | He2s²2p² | Ionisation potential ( No./eV ) | 6 / 490 | Ionisation potential ( No./eV ) | 4 / 64.5 | Ionisation potential ( No./eV ) | 1 / 11.26 | Ionisation potential ( No./eV ) | 3 / 47.9 | Ionisation potential ( No./eV ) | 2 / 24.38 | Ionisation potential ( No./eV ) | 5 / 392 | Natural isotope distribution ( Mass No./% ) | 12 / 98.89 | Natural isotope distribution ( Mass No./% ) | 13 / 1.11 | Photo-electric work function ( eV ) | 4.80 | Thermal neutron absorption cross-section ( Barns ) | 0.0034 | Valences shown | 2 , 3, 4 | Physical Properties(物理性质) | Boiling point ( C ) | 5000 | Density ( g cm⁻³ ) | 2.250 @20℃ | Electrical Properties(电气特性) | Electrical resistivity ( μOhmcm ) | 1375@0℃ | Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 0.70 |
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