试剂仪器设备原料
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镱,块, Yb, 25mm Max. Lump Size, 3N
镱,块, Yb, 25mm Max. Lump Size, 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
订货号包装规格
Weight
489-699-0525 g
212-383-3250 g
547-920-52100 g

产品参数

Maximum Lump Size[]25mm
Purity[纯度]99.9%
Weight[重量]25 g - 100 g
Typical Analysis(典型分析)
Ca50 PPM
Cu<1 PPM
Fe30 PPM
La400 PPM
Lu100 PPM
Mg3 PPM
Si1 PPM
Sn1 PPM
Sr1 PPM
Tm100 PPM
Atomic Properties(原子属性)
Atomic number70
Atomic weight ( amu )173.04000
Crystal structureHexagonal Close Packed
Electronic structureXe4f¹⁴6s²
Ionisation potential ( No./eV )3 / 25.2
Ionisation potential ( No./eV )2 / 12.2
Ionisation potential ( No./eV )1 / 6.25
Natural isotope distribution ( Mass No./% )173 / 16.2
Natural isotope distribution ( Mass No./% )174 / 31.7
Natural isotope distribution ( Mass No./% )172 / 21.9
Natural isotope distribution ( Mass No./% )168 / 0.1
Natural isotope distribution ( Mass No./% )170 / 3.1
Natural isotope distribution ( Mass No./% )171 / 14.3
Natural isotope distribution ( Mass No./% )176 / 12.7
Thermal neutron absorption cross-section ( Barns )37.0000
Valences shown2 ,3
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )25.000 @0-100℃
Latent heat of evaporation ( J g⁻¹ )921
Latent heat of fusion ( J g⁻¹ )53.20
Melting point ( C )819.00
Specific heat ( J K⁻¹ kg⁻¹ )145.0 @25℃
Thermal conductivity ( W m⁻¹ K⁻¹ )32.90 @0-100℃
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Polycrystalline )13.5
Hardness - Brinell ( Polycrystalline )25
Material conditionPolycrystalline
Poisson's ratio ( Polycrystalline )0.280
Tensile modulus ( GPa ) ( Polycrystalline )17.80
Tensile strength ( MPa ) ( Polycrystalline )68.90
Yield strength ( MPa ) ( Polycrystalline )65.5
Physical Properties(物理性质)
Boiling point ( C )1194
Density ( g cm⁻³ )6.977 @20℃
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )28@20℃
Temperature coefficient ( K⁻¹ )0.00130 @0-100℃
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