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材料 >> 金属材料
硼粉末, B
硼粉末, B图片
品牌: Goodfellow
纯度含量: 95.0%
产地: 英国
索取资料及报价
品牌:Goodfellow
纯度含量:95.0%
产地:英国
产品介绍
订货号包装规格
Weight
551-682-4110g
960-300-8620g
037-600-9550g
700-123-70100g
515-462-92200g
895-867-05300g
753-466-19400g
991-381-82500g
650-876-29600g
415-612-59700g
927-704-60800g
127-852-34900g
765-840-691000g

产品参数

Mean Particle Size (FSSS)[平均粒度]0.9
Purity[纯度]95.0%
Structure[结构]Amorphous
Weight[重量]10g - 1000g
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 number5
Atomic weight ( amu )10.81000
Crystal structureTetragonal
Electronic structureHe2s²2p¹
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 shown3
Mechanical Properties(机械性能)
Hardness - Mohs ( Arc melted )9.50
Material conditionArc 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℃
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