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钬,粉末, Ho, 500μm最大粒度, 3N
钬,粉末, Ho, 500μm最大粒度, 3N图片
品牌: Goodfellow
纯度含量: 99.9%
产地: 英国
索取资料及报价
品牌:Goodfellow
纯度含量:99.9%
产地:英国
产品介绍

May contain hydrogen and/or the metal hydride.

订货号包装规格
Weight
310-285-435g
785-676-5410g

产品参数

Maximum Particle Size[最大粒度]500μm
Purity[纯度]99.9%
Weight[重量]5g - 10g
Typical Analysis(典型分析)
Al10 PPM
Ca30 PPM
Cu1 PPM
Er400 PPM
Eu200 PPM
Fe10 PPM
Mg1 PPM
Mn2 PPM
Si5 PPM
Tb50 PPM
Tm170 PPM
Y70 PPM
Yb70 PPM
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )94@20℃
Temperature coefficient ( K⁻¹ )0.00171 @0-100℃
Physical Properties(物理性质)
Boiling point ( C )2695
Density ( g cm⁻³ )8.803 @20℃
Atomic Properties(原子属性)
Atomic number67
Atomic weight ( amu )164.93040
Crystal structureHexagonal Close Packed
Electronic structureXe4f¹¹6s²
Ionisation potential ( No./eV )2 / 11.80
Ionisation potential ( No./eV )1 / 6.02
Thermal neutron absorption cross-section ( Barns )65.0000
Valences shown3
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )9.500 @0-400℃
Latent heat of evaporation ( J g⁻¹ )1695
Latent heat of fusion ( J g⁻¹ )104.00
Melting point ( C )1474.00
Specific heat ( J K⁻¹ kg⁻¹ )165.0 @25℃
Thermal conductivity ( W m⁻¹ K⁻¹ )16.20 @0-100℃
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Polycrystalline )40.5
Hardness - Vickers ( kgf mm⁻² ) ( Polycrystalline )60
Material conditionPolycrystalline
Poisson's ratio ( Polycrystalline )0.225
Tensile modulus ( GPa ) ( Polycrystalline )66.90
Tensile strength ( MPa ) ( Polycrystalline )262.00
Yield strength ( MPa ) ( Polycrystalline )221.0

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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