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钌,粉末, Ru, 450μm最大粒度, 3N
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
427-105-981g
388-246-452g
530-811-205g
783-797-6510g
925-727-1320g

产品参数

Maximum Particle Size[最大粒度]450μm
Purity[纯度]99.9%
Weight[重量]1g - 20g
Typical Analysis(典型分析)
Ag<1 PPM
Au3 PPM
Ca30 PPM
Cr3 PPM
Cu2 PPM
Fe30 PPM
Ir50 PPM
Mg3 PPM
Mn<1 PPM
Os300 PPM
Pb3 PPM
Pd10 PPM
Pt50 PPM
Rh50 PPM
Si20 PPM
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )9.600 @0-100℃
Latent heat of evaporation ( J g⁻¹ )5610
Latent heat of fusion ( J g⁻¹ )252.00
Melting point ( C )2310.00
Specific heat ( J K⁻¹ kg⁻¹ )238.0 @20℃
Thermal conductivity ( W m⁻¹ K⁻¹ )117.00 @0-100℃
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )7.7@20℃
Superconductivity critical temperature ( K )0.4900
Temperature coefficient ( K⁻¹ )0.00410 @0-100
Atomic Properties(原子属性)
Atomic number44
Atomic weight ( amu )101.07000
Crystal structureHexagonal Close Packed
Electronic structureKr4d⁷5s¹
Ionisation potential ( No./eV )2 / 16.8
Ionisation potential ( No./eV )3 / 28.5
Ionisation potential ( No./eV )1 / 7.36
Natural isotope distribution ( Mass No./% )99 / 12.7
Natural isotope distribution ( Mass No./% )96 / 5.5
Natural isotope distribution ( Mass No./% )104 / 18.6
Natural isotope distribution ( Mass No./% )98 / 1.9
Natural isotope distribution ( Mass No./% )101 / 17.1
Natural isotope distribution ( Mass No./% )100 / 12.6
Natural isotope distribution ( Mass No./% )102 / 31.6
Photo-electric work function ( eV )4.71
Thermal neutron absorption cross-section ( Barns )3.0000
Valences shown0 ,1,2,3,4,5,6,7,8
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Hard )286.0
Bulk modulus ( GPa ) ( Soft )286.0
Hardness - Vickers ( kgf mm⁻² ) ( Hard )750
Hardness - Vickers ( kgf mm⁻² ) ( Soft )350
Material conditionHard
Material conditionSoft
Poisson's ratio ( Hard )0.250
Poisson's ratio ( Soft )0.250
Tensile modulus ( GPa ) ( Hard )432.00
Tensile modulus ( GPa ) ( Soft )432.00
Tensile strength ( MPa ) ( Soft )495.00
Yield strength ( MPa ) ( Soft )372.0
Physical Properties(物理性质)
Boiling point ( C )3900
Density ( g cm⁻³ )12.200 @20

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。

Goodfellow(顾特服)
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