For high-temperature thermocouples we supply Platinum, Platinum/Rhodium alloys, Tungsten and Tungsten/Rhenium alloys.
Wollaston wire, Silver coated.
Overall outside diameter approx 0.025mm - 0.1mm.
The weight shown is for the Platinum core only.
The Silver outer sheath may be dissolved in aqueous 10% Nitric Acid.
订货号 |
包装规格 |
Length (Round) |
503-494-27 |
0.05m |
205-180-06 |
0.1m |
647-503-05 |
0.2m |
937-882-52 |
0.5m |
半岛bd体育手机客户端 参数
Diameter[直径] |
0.01mm |
Grade[等级] |
Wollaston Wire |
Length[长度] |
0.05m - 0.5m |
Purity[纯度] |
99.9% |
Typical Analysis(典型分析) |
Ag |
25 PPM |
Au |
40 PPM |
B |
5 PPM |
Bi |
1 PPM |
Ca |
2 PPM |
Cu |
25 PPM |
Fe |
50 PPM |
Ir |
150 PPM |
Mg |
2 PPM |
Mn |
2 PPM |
Ni |
15 PPM |
Pb |
5 PPM |
Pd |
150 PPM |
Rh |
50 PPM |
Ru |
100 PPM |
Sb |
20 PPM |
Si |
3 PPM |
Sn |
10 PPM |
Zn |
5 PPM |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Hard ) |
276.0 |
Bulk modulus ( GPa ) ( Soft ) |
276.0 |
Hardness - Vickers ( kgf mm?? ) ( Hard ) |
100 |
Hardness - Vickers ( kgf mm?? ) ( Soft ) |
40 |
Material condition |
Hard |
Material condition |
Soft |
Poisson's ratio ( Hard ) |
0.390 |
Poisson's ratio ( Soft ) |
0.390 |
Tensile modulus ( GPa ) ( Hard ) |
170.00 |
Tensile modulus ( GPa ) ( Soft ) |
170.00 |
Tensile strength ( MPa ) ( Hard ) |
200.00 - 300.00 |
Tensile strength ( MPa ) ( Soft ) |
125.00 - 150.00 |
Yield strength ( MPa ) ( Hard ) |
185.0 |
Yield strength ( MPa ) ( Soft ) |
14.0 - 35.0 |
Physical Properties(物理性质) |
Boiling point ( C ) |
3827 |
Density ( g cm?? ) |
21.450 @20℃ |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10?? K?? ) |
9.000 @0-100 |
Latent heat of evaporation ( J g?? ) |
2405 |
Latent heat of fusion ( J g?? ) |
101.00 |
Melting point ( C ) |
1772.00 |
Specific heat ( J K?? kg?? ) |
133.0 @025℃ |
Thermal conductivity ( W m?? K?? ) |
71.60 @0-100℃ |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) |
10.58@20℃ |
Temperature coefficient ( K?? ) |
0.00392 @0-100℃ |
Atomic Properties(原子属性) |
Atomic number |
78 |
Atomic weight ( amu ) |
195.08000 |
Crystal structure |
Face Centred Cubic |
Electronic structure |
Xe4f??5d?6s? |
Ionisation potential ( No./eV ) |
1 / 9.0 |
Ionisation potential ( No./eV ) |
2 / 18.6 |
Natural isotope distribution ( Mass No./% ) |
192 / 0.79 |
Natural isotope distribution ( Mass No./% ) |
196 / 25.30 |
Natural isotope distribution ( Mass No./% ) |
190 / 0.01 |
Natural isotope distribution ( Mass No./% ) |
195 / 33.80 |
Natural isotope distribution ( Mass No./% ) |
198 / 7.20 |
Natural isotope distribution ( Mass No./% ) |
194 / 32.90 |
Photo-electric work function ( eV ) |
5.30 |
Thermal neutron absorption cross-section ( Barns ) |
9.0000 |
Valences shown |
1 ,2,3,4 |
其他参数
公差