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锇,粉末, Os, 500μm最大粒度, 3N
锇,粉末, Os, 500μm最大粒度, 3N图片
品牌:Goodfellow
纯度含量:99.9%
产地:英国


产品介绍
订货号包装规格
Weight
916-919-8310 g

产品参数

Maximum Particle Size[最大粒度]500μm
Purity[纯度]99.9%
Weight[重量]10 g
Atomic Properties(原子属性)
Atomic number76
Atomic weight ( amu )190.20000
Crystal structureHexagonal Close Packed
Electronic structureXe4f¹⁴5d⁶6s²
Ionisation potential ( No./eV )2 / 16
Ionisation potential ( No./eV )1 / 8.7
Natural isotope distribution ( Mass No./% )192 / 41.0
Natural isotope distribution ( Mass No./% )184 / 0.02
Natural isotope distribution ( Mass No./% )187 / 1.6
Natural isotope distribution ( Mass No./% )189 / 16.1
Natural isotope distribution ( Mass No./% )186 / 1.58
Natural isotope distribution ( Mass No./% )188 / 13.3
Natural isotope distribution ( Mass No./% )190 / 26.4
Photo-electric work function ( eV )4.80
Thermal neutron absorption cross-section ( Barns )15.3000
Valences shown0 , 1, 2, 3, 4, 5, 6, 7, 8
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )4.570 @0-100
Latent heat of evaporation ( J g⁻¹ )3305
Latent heat of fusion ( J g⁻¹ )154.00
Melting point ( C )3045.00
Specific heat ( J K⁻¹ kg⁻¹ )131.0 @25
Thermal conductivity ( W m⁻¹ K⁻¹ )87.60 @0-100℃
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Hard )373.0
Bulk modulus ( GPa ) ( Soft )373.0
Hardness - Vickers ( kgf mm⁻² ) ( Hard )670 - 1000
Hardness - Vickers ( kgf mm⁻² ) ( Soft )300 - 350
Material conditionSoft
Material conditionHard
Poisson's ratio ( Hard )0.250
Poisson's ratio ( Soft )0.250
Tensile modulus ( GPa ) ( Hard )559.00
Tensile modulus ( GPa ) ( Soft )559.00
Physical Properties(物理性质)
Boiling point ( C )5027
Density ( g cm⁻³ )22.500 @20℃
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )8.8@20℃
Superconductivity critical temperature ( K )0.6600
Temperature coefficient ( K⁻¹ )0.00410 @0-100℃

腐蚀

与其接触时可破坏活组织的化学品。

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