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Platinum Rod
Available Configurations
Properties common to all products in this list
| Purity | Diameter | Length |
|---|---|---|
| 99.95% to 99.99% | 1mm to 12mm | 2mm to 1000mm |
Need custom configurations? Please contact our Technical Solutions team.
Key Features
Platinum rods combine chemical inertness, thermal resilience, electrical conductivity, and mechanical stability, making them indispensable in advanced industrial, scientific, and biomedical systems:
Exceptional Chemical Inertness
Platinum exhibits outstanding resistance to oxidation, acids, alkalis, and halogens. This chemical stability makes platinum rods ideal for corrosive environments such as chemical reactors, electrochemical cells, and acid digestion systems.
High Melting Point (1,768 °C)
With a melting point of 1,768 °C, platinum maintains structural integrity at extreme temperatures. It is well suited for crucibles, thermocouple sheaths, furnace components, and high-temperature tooling.
Excellent Electrical Conductivity (9.43 × 10⁶ S/m)
Platinum provides stable and reliable electrical conductivity, even under elevated temperatures and corrosive conditions, making it a preferred material for electrodes, spark plugs, and precision electrical contacts.
High Thermal Conductivity (71.6 W/m·K)
Efficient heat transfer enables platinum rods to perform reliably in temperature sensors, thermal management systems, and laboratory heating assemblies.
Outstanding Catalytic Activity
Platinum is widely used as a catalyst in hydrogenation, oxidation, and reforming reactions. Platinum rods support catalytic converters, fuel cells, and chemical synthesis systems requiring high purity and thermal durability.
High Density (21.45 g/cm³)
The high density of platinum contributes to mechanical robustness and dimensional stability, supporting precision-engineered components in aerospace, laboratory instrumentation, and high-pressure systems.
Mechanical Strength and Workability
Despite its density, platinum is ductile and machinable, allowing rods to be shaped into custom electrodes, microfabricated components, and complex geometries without compromising structural integrity.
Biocompatibility and Long-Term Stability
Bioinert and non-toxic, platinum is suitable for implants, surgical instruments, pacemaker leads, and biosensors, maintaining performance under sterilization and long-term biological exposure.
Industrial Applications
High-purity platinum rods are deployed across critical industries for their catalytic efficiency, thermal stability, electrical conductivity, and corrosion resistance:
- ✦ Catalysis & Chemical Processing
- Used in hydrogenation, oxidation, and reforming reactions across refining, petrochemicals, nitric acid production, and emerging green hydrogen systems.
- ✦ Electrochemical Systems & Fuel Cells
- Serve as high-performance electrodes in PEM fuel cells, electrolysis systems, and water-splitting technologies, offering corrosion resistance and stable conductivity.
- ✦ Laboratory & Analytical Equipment
- Ideal for crucibles, thermocouples, and reaction vessels operating under extreme heat and chemically aggressive conditions.
- ✦ Medical Devices & Implants
- Applied in surgical tools, pacemaker leads, implants, and biosensors, where long-term biocompatibility and stability are essential.
- ✦ Electronics & Sensor Technology
- Used in RTDs, spark plugs, and precision microelectronic systems requiring stable electrical performance under oxidation and thermal stress.
- ✦ Glass Manufacturing & High-Temperature Tooling
- Utilized in bushings, stirrers, and molten glass handling systems due to resistance to thermal cycling and chemical attack.
- ✦ Aerospace & Nuclear Systems
- Selected for thermocouples, sensor housings, and structural components exposed to radiation, oxidation, and extreme thermal environments.
Mentions in Scientific Literature
Goodfellow's platinum rods feature prominently in research across advanced electrochemical and analytical domains: Electrode Characterization & Conditioning, used as counter electrodes in impedance spectroscopy and biosensor validation studies [1–3] . Wastewater Treatment & Electrochemical Oxidation, employed as anodes in electrolysis systems for phenol degradation and protective film formation [4] . Advanced Material Characterization, used as voltage probe tips in dielectric spectroscopy for polymer membrane analysis [5] . Across these disciplines, researchers rely on platinum rods for precise electrochemical measurements, stable electrode performance, and reproducible results under demanding experimental conditions.
References & Citations
Click to expand
- Ward, A. C., Connolly, P., & Tucker, N. P. (2014). Pseudomonas aeruginosa Can Be Detected in a Polymicrobial Competition Model Using Impedance Spectroscopy with a Novel Biosensor. PLoS ONE, 9(3), e91732. https://doi.org/10.1371/journal.pone.0091732
- Ward, A. (2015). A cystic fibrosis infection monitor. STAX. https://stax.strath.ac.uk/concern/theses/mw22v545k
- Belhadj Tahar, N., & Savall, A. (2009). Electrochemical removal of phenol in alkaline solution: Contribution of the anodic polymerization on different electrode materials. Electrochimica Acta, 54(21), 4809–4816. https://doi.org/10.1016/j.electacta.2009.03.086
- Albakri, B., Diniz, A. T. S., Benner, P., Muth, T., Nakajima, S., Favaro, M., & Kister, A. (2024). Machine learning-assisted equivalent circuit identification for dielectric spectroscopy of polymers. Electrochimica Acta, 496, 144474. https://doi.org/10.1016/j.electacta.2024.144474
Synonyms
Material Properties
| Element | Value |
|---|---|
| Atomic number | 78 |
| Crystal structure | Face centred cubic |
| Electronic structure | Xe 4f¹⁴ 5d⁹ 6s¹ |
| Valences shown | 1,2,3,4 |
| Atomic weight( amu ) | 195.08 |
| Thermal neutron absorption cross-section( Barns ) | 9 |
| Photo-electric work function( eV ) | 5.3 |
| 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 |
| Atomic radius - Goldschmidt( nm ) | 0.138 |
| Ionisation potential( No./eV ) | 1/ 9.0 |
| Ionisation potential( No./eV ) | 2/ 18.6 |
| Element | Value |
|---|---|
| Material condition | Hard |
| Material condition | Soft |
| Poisson's ratio | 0.39 |
| Poisson's ratio | 0.39 |
| Bulk modulus( GPa ) | 276 |
| Bulk modulus( GPa ) | 276 |
| Tensile modulus( GPa ) | 170 |
| Tensile modulus( GPa ) | 170 |
| Hardness - Vickers( kgf mm⁻² ) | 40 |
| Hardness - Vickers( kgf mm⁻² ) | 100 |
| Tensile strength( MPa ) | 200-300 |
| Tensile strength( MPa ) | 125-150 |
| Yield strength( MPa ) | 14-35 |
| Yield strength( MPa ) | 185 |
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 10.58@20°C |
| Temperature coefficient( K⁻¹ ) | 0.00392@0-100°C |
| Element | Value |
|---|---|
| Boiling point( C ) | 3827 |
| Density( gcm⁻³ ) | 21.45@20°C |
| Element | Value |
|---|---|
| Melting point( C ) | 1772 |
| Latent heat of evaporation( J g⁻¹ ) | 2405 |
| Latent heat of fusion( J g⁻¹ ) | 101 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 133@025°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 71.6@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 9@0-100 |
Tolerances
| Diameter | =<10mm | ±10% |
|---|---|---|
| Diameter | >10mm | ±5% |
| Length | <100mm | ±1mm |
| Length | >=100mm | +5 / -1% |