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?粉末, B, 45μm 最大粒?/div>
?粉末, B, 45μm 最大粒度图?></a></div>    <span style=
品牌: Goodfellow
纯度含量: 98.0%
产地: 英国
索取资料及报件/span>
品牌: Goodfellow
纯度含量: 98.0%
产地: 英国
产品介绍
订货叶/strong> 包装规格
Weight
725-282-39 10g
478-370-65 20g

产品参数

Maximum Particle Size[最大粒度] 45μm
Purity[纯度] 98.0%
Structure[结构] Crystalline
Weight[重量] 10g - 20g
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?? ) 2.340 - 2.370 @20ℂ/td>
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? ) 8.300 @0-100ℂ/td>
Latent heat of evaporation ( J g?? ) 35000
Latent heat of fusion ( J g?? ) 2090.00
Melting point ( C ) 2180.00
Specific heat ( J K?? kg?? ) 1030.0 @25ℂ/td>
Atomic Properties(原子属?
Atomic number 5
Atomic weight ( amu ) 10.81000
Crystal structure Tetragonal
Electronic structure He2s?2p?
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?
Electrical resistivity ( μOhmcm ) 1.8x10??@27ℂ/td>
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