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铋,块, Bi, 12mm Max. Lump Size, Shot, 5N
铋,块, Bi, 12mm Max. Lump Size, Shot, 5N图片
品牌:Goodfellow
纯度含量:99.999%
产地:英国


产品介绍

Please note stocks of this material have two forms, either "teardrop" or irregular lump.

订货号包装规格
Weight
572-140-8750g
517-607-95100g
700-998-14200g
649-211-58300g
795-243-28400g
175-618-12500g
492-428-941000g

产品参数

Maximum Lump Size[]12mm
Product Shape[形状]Shot
Purity[纯度]99.999%
Weight[重量]50g - 1000g
Typical Analysis(典型分析)
Ag1 PPM
Cu4 PPM
Pb3 PPM
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )117@20℃
Temperature coefficient ( K⁻¹ )0.00460 @0-100℃
Thermal emf against Pt (cold 0C - hot 100C) ( mV )-7.34
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Polycrystalline )31.3
Hardness - Vickers ( kgf mm⁻² ) ( Polycrystalline )16 - 19
Material conditionPolycrystalline
Poisson's ratio ( Polycrystalline )0.330
Tensile modulus ( GPa ) ( Polycrystalline )34.00
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )13.400 @0-100℃
Latent heat of evaporation ( J g⁻¹ )857
Latent heat of fusion ( J g⁻¹ )52.00
Melting point ( C )271.30
Specific heat ( J K⁻¹ kg⁻¹ )124.0 @25℃
Thermal conductivity ( W m⁻¹ K⁻¹ )7.90 @0-100℃
Atomic Properties(原子属性)
Atomic number83
Atomic weight ( amu )208.98040
Crystal structureRhombohedral
Electronic structureXe4f¹⁴5d¹⁰6s²6p³
Ionisation potential ( No./eV )5 / 56.0
Ionisation potential ( No./eV )1 / 7.29
Ionisation potential ( No./eV )3 / 25.6
Ionisation potential ( No./eV )4 / 45.3
Ionisation potential ( No./eV )6 / 88.3
Ionisation potential ( No./eV )2 / 16.7
Photo-electric work function ( eV )4.40
Thermal neutron absorption cross-section ( Barns )0.0340
Valences shown3 , 5
Physical Properties(物理性质)
Boiling point ( C )1560
Density ( g cm⁻³ )9.800 @20℃
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