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铈,粉末, Ce, 45μm 最大粒度, 3N
铈,粉末, Ce, 45μm 最大粒度, 3N图片
品牌: Goodfellow
纯度含量: 99.9%
产地: 英国
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品牌: Goodfellow
纯度含量: 99.9%
产地: 英国
半岛bd体育手机客户端 介绍

May contain hydrogen and/or the metal hydride.

订货号 包装规格
Weight
538-530-48 30g

半岛bd体育手机客户端 参数

Maximum Particle Size[最大粒度] 45μm
Purity[纯度] 99.9%
Weight[重量] 30g
Typical Analysis(典型分析)
Ca 150 PPM
Fe 10 PPM
Mg 1 PPM
Mn <1 PPM
Si 30 PPM
Y 100 PPM
Atomic Properties(原子属性)
Atomic number 58
Atomic weight ( amu ) 140.12000
Crystal structure Face Centred Cubic
Electronic structure Xe4f?6s?
Ionisation potential ( No./eV ) 2 / 10.85
Ionisation potential ( No./eV ) 1 / 5.47
Ionisation potential ( No./eV ) 3 / 20.20
Ionisation potential ( No./eV ) 4 / 36.72
Natural isotope distribution ( Mass No./% ) 136 / 0.2
Natural isotope distribution ( Mass No./% ) 140 / 88.4
Natural isotope distribution ( Mass No./% ) 142 / 11.1
Natural isotope distribution ( Mass No./% ) 138 / 0.3
Photo-electric work function ( eV ) 2.90
Thermal neutron absorption cross-section ( Barns ) 0.7300
Valences shown 3 , 4
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Cast ) 24.4
Bulk modulus ( GPa ) ( Polycrystalline ) 24.4
Hardness - Vickers ( kgf mm?? ) ( Cast ) 25 - 30
Material condition Polycrystalline
Material condition Cast
Poisson's ratio ( Cast ) 0.248
Poisson's ratio ( Polycrystalline ) 0.248
Tensile modulus ( GPa ) ( Cast ) 33.50
Tensile modulus ( GPa ) ( Polycrystalline ) 33.50
Tensile strength ( MPa ) ( Cast ) 102.00
Yield strength ( MPa ) ( Cast ) 91.0
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? ) 8.000 @0-100℃
Latent heat of evaporation ( J g?? ) 2680
Latent heat of fusion ( J g?? ) 37.30
Melting point ( C ) 799.00
Specific heat ( J K?? kg?? ) 205.0 @25℃
Thermal conductivity ( W m?? K?? ) 11.30 @0-100℃
Physical Properties(物理性质)
Boiling point ( C ) 3426
Density ( g cm?? ) 6.750 @20℃
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm ) 85.4@20℃
Temperature coefficient ( K?? ) 0.00870 @0-100℃
Thermal emf against Pt (cold 0C - hot 100C) ( mV ) 1.14

易燃

与火焰接触后点燃的化学品,或与水接触后逸出高度易燃气体的化学品。

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