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锆,块, Zr, 8mm Max. Lump Size, Pellets-nominally 6.35mm diameter x 6.35mm length
锆,块, Zr, 8mm Max. Lump Size, Pellets-nominally 6.35mm diameter x 6.35mm length图片
品牌:Goodfellow
纯度含量:99.2%
产地:英国


产品介绍
订货号包装规格
Weight
384-128-0620g
292-099-6750g
121-518-53100g
722-467-19200g

产品参数

Maximum Lump Size[]8mm
Product Shape[形状]Pellets - nominally 6.35mm diameter x 6.35mm length
Purity[纯度]99.2%
Weight[重量]20g - 200g
Typical Analysis(典型分析)
C250 PPM
Cr200 PPM
Fe200 PPM
H10 PPM
Hf2500 PPM
N100 PPM
O1000 PPM
Atomic Properties(原子属性)
Atomic number40
Atomic weight ( amu )91.22000
Crystal structureHexagonal Close Packed
Electronic structureKr4d²5s²
Ionisation potential ( No./eV )4 / 34.34
Ionisation potential ( No./eV )6 / 99
Ionisation potential ( No./eV )2 / 13.13
Ionisation potential ( No./eV )1 / 6.84
Ionisation potential ( No./eV )5 / 81.5
Ionisation potential ( No./eV )3 / 22.99
Natural isotope distribution ( Mass No./% )96 / 2.8
Natural isotope distribution ( Mass No./% )92 / 17.1
Natural isotope distribution ( Mass No./% )91 / 11.2
Natural isotope distribution ( Mass No./% )94 / 17.5
Natural isotope distribution ( Mass No./% )90 / 51.4
Photo-electric work function ( eV )3.80
Thermal neutron absorption cross-section ( Barns )0.1820
Valences shown2 ,3,4
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Polycrystalline )89.8
Bulk modulus ( GPa ) ( Soft )89.8
Hardness - Vickers ( kgf mm⁻² ) ( Soft )85 - 100
Material conditionPolycrystalline
Material conditionSoft
Poisson's ratio ( Polycrystalline )0.380
Poisson's ratio ( Soft )0.380
Tensile modulus ( GPa ) ( Polycrystalline )98.00
Tensile modulus ( GPa ) ( Soft )98.00
Tensile strength ( MPa ) ( Soft )350.00 - 390.00
Yield strength ( MPa ) ( Soft )250.0 - 310.0
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )44@20℃
Superconductivity critical temperature ( K )0.6100
Temperature coefficient ( K⁻¹ )0.00440 @0-100℃
Thermal emf against Pt (cold 0C - hot 100C) ( mV )1.17
Physical Properties(物理性质)
Boiling point ( C )4377
Density ( g cm⁻³ )6.490 @20℃
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )5.900 @0-100℃
Latent heat of evaporation ( J g⁻¹ )6360
Latent heat of fusion ( J g⁻¹ )211.00
Melting point ( C )1852.00
Specific heat ( J K⁻¹ kg⁻¹ )281.0 @25℃
Thermal conductivity ( W m⁻¹ K⁻¹ )22.70 @0-100℃

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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