品牌: Goodfellow
纯度含量: 99.99%
产地: 英国
索取资料及报价
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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
Nominally 4.7mm diameter x 4.7mm length pellets.
订货号 |
包装规格 |
Weight |
983-280-00 |
1.5g |
334-856-32 |
3g |
398-555-16 |
4.5g |
542-903-09 |
6g |
437-836-87 |
7.5g |
140-239-72 |
9g |
800-076-69 |
10.5g |
206-717-98 |
21g |
327-072-75 |
50g |
774-601-60 |
60g |
半岛bd体育手机客户端 参数
Maximum Lump Size[] |
6mm |
Purity[纯度] |
99.99% |
Weight[重量] |
1.5g - 60g |
Typical Analysis(典型分析) |
Ag |
3 PPM |
Ca |
<1 PPM |
Cd |
<1 PPM |
Cu |
1 PPM |
Fe |
<1 PPM |
Mg |
<1 PPM |
Pd |
1 PPM |
Si |
1 PPM |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Hard ) |
171.0 |
Bulk modulus ( GPa ) ( Soft ) |
171.0 |
Hardness - Vickers ( kgf mm?? ) ( Hard ) |
60 |
Hardness - Vickers ( kgf mm?? ) ( Soft ) |
20 - 30 |
Material condition |
Soft |
Material condition |
Hard |
Poisson's ratio ( Hard ) |
0.420 |
Poisson's ratio ( Soft ) |
0.420 |
Tensile modulus ( GPa ) ( Hard ) |
78.50 |
Tensile modulus ( GPa ) ( Soft ) |
78.50 |
Tensile strength ( MPa ) ( Hard ) |
220.00 |
Tensile strength ( MPa ) ( Soft ) |
130.00 |
Yield strength ( MPa ) ( Hard ) |
205.0 |
Atomic Properties(原子属性) |
Atomic number |
79 |
Atomic weight ( amu ) |
196.96650 |
Crystal structure |
Face Centred Cubic |
Electronic structure |
Xe4f??5d??6s? |
Ionisation potential ( No./eV ) |
1 / 9.22 |
Ionisation potential ( No./eV ) |
2 / 20.5 |
Photo-electric work function ( eV ) |
4.80 |
Thermal neutron absorption cross-section ( Barns ) |
98.8000 |
Valences shown |
1 ,3 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10?? K?? ) |
14.100 @0-100℃ |
Latent heat of evaporation ( J g?? ) |
1738 |
Latent heat of fusion ( J g?? ) |
64.90 |
Melting point ( C ) |
1064.40 |
Specific heat ( J K?? kg?? ) |
129.0 @25℃ |
Thermal conductivity ( W m?? K?? ) |
318.00 @0-100℃ |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) |
2.2@20℃ |
Temperature coefficient ( K?? ) |
0.00400 @0-100℃ |
Thermal emf against Pt (cold 0C - hot 100C) ( mV ) |
0.74 |
Physical Properties(物理性质) |
Boiling point ( C ) |
3080 |
Density ( g cm?? ) |
19.300 @20℃ |
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