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 |
半岛bd体育手机客户端 介绍
订货号 |
包装规格 |
Weight |
427-105-98 |
1g |
388-246-45 |
2g |
530-811-20 |
5g |
783-797-65 |
10g |
925-727-13 |
20g |
半岛bd体育手机客户端 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 |
Au |
3 PPM |
Ca |
30 PPM |
Cr |
3 PPM |
Cu |
2 PPM |
Fe |
30 PPM |
Ir |
50 PPM |
Mg |
3 PPM |
Mn |
<1 PPM |
Os |
300 PPM |
Pb |
3 PPM |
Pd |
10 PPM |
Pt |
50 PPM |
Rh |
50 PPM |
Si |
20 PPM |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10?? K?? ) |
9.600 @0-100℃ |
Latent heat of evaporation ( J g?? ) |
5610 |
Latent heat of fusion ( J g?? ) |
252.00 |
Melting point ( C ) |
2310.00 |
Specific heat ( J K?? kg?? ) |
238.0 @20℃ |
Thermal conductivity ( W m?? K?? ) |
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?? ) |
0.00410 @0-100 |
Atomic Properties(原子属性) |
Atomic number |
44 |
Atomic weight ( amu ) |
101.07000 |
Crystal structure |
Hexagonal Close Packed |
Electronic structure |
Kr4d?5s? |
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 shown |
0 ,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?? ) ( Hard ) |
750 |
Hardness - Vickers ( kgf mm?? ) ( Soft ) |
350 |
Material condition |
Hard |
Material condition |
Soft |
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?? ) |
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。
|
|
相关半岛bd体育手机客户端
|