铱,粉末, Ir, 850μm最大粒度, 4N
品牌: |
Goodfellow |
纯度含量: |
99.99% |
产地: |
英国 |
半岛bd体育手机客户端 介绍
订货号 |
包装规格 |
Weight |
118-005-05 |
1 g |
093-076-83 |
2 g |
半岛bd体育手机客户端 参数
High Purity[纯度] |
99.99% |
Maximum Particle Size[最大粒度] |
850μm |
Weight[重量] |
1 g - 2 g |
Atomic Properties(原子属性) |
Atomic number |
77 |
Atomic weight ( amu ) |
192.22000 |
Crystal structure |
Face Centred Cubic |
Electronic structure |
Xe4f??5d?6s? |
Natural isotope distribution ( Mass No./% ) |
191 / 37.3 |
Natural isotope distribution ( Mass No./% ) |
193 / 62.7 |
Photo-electric work function ( eV ) |
4.60 |
Thermal neutron absorption cross-section ( Barns ) |
425.0000 |
Valences shown |
3 , 4 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10?? K?? ) |
6.800 @0-100℃ |
Latent heat of evaporation ( J g?? ) |
3186 |
Latent heat of fusion ( J g?? ) |
135.00 |
Melting point ( C ) |
2410.00 |
Specific heat ( J K?? kg?? ) |
133.0 @25℃ |
Thermal conductivity ( W m?? K?? ) |
147.00 @0-100℃ |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Hard ) |
371.0 |
Bulk modulus ( GPa ) ( Soft ) |
371.0 |
Hardness - Vickers ( kgf mm?? ) ( Hard ) |
650 |
Hardness - Vickers ( kgf mm?? ) ( Soft ) |
200 - 300 |
Material condition |
Soft |
Material condition |
Hard |
Poisson's ratio ( Hard ) |
0.260 |
Poisson's ratio ( Soft ) |
0.260 |
Tensile modulus ( GPa ) ( Hard ) |
528.00 |
Tensile modulus ( GPa ) ( Soft ) |
528.00 |
Tensile strength ( MPa ) ( Hard ) |
1200.00 |
Tensile strength ( MPa ) ( Soft ) |
550.00 - 1100.00 |
Physical Properties(物理性质) |
Boiling point ( C ) |
4130 |
Density ( g cm?? ) |
22.400 @20℃ |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) |
5.1@20℃ |
Superconductivity critical temperature ( K ) |
0.1100 |
Temperature coefficient ( K?? ) |
0.00450 @0-100℃ |
Thermal emf against Pt (cold 0C - hot 100C) ( mV ) |
0.65 |
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Goodfellow(顾特服)
电话:点击&查看18024074014
地址:
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