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- About Us
Platinum
Platinum (Pt) is a dense, malleable, and highly corrosion-resistant precious metal with a silvery-white luster. It exhibits excellent chemical stability, resisting oxidation and tarnishing even at high temperatures. With a melting point of 1768 °C and good electrical conductivity, Platinum is widely used in both scientific research and industrial applications. It is typically obtained through refining natural ores or recycling from catalytic converters and jewelry.
Goodfellow's high-purity platinum products are available in a wide array of forms, catering to the needs of advanced research and industrial applications. These include insulated wires, pellets, coils, disks, foils, gauzes, powders, rods, and sputtering targets. Platinum's outstanding resistance to corrosion and its elevated melting point make it an essential component in automotive emissions control systems, chemical processing, and petroleum refining. Its superior catalytic capabilities are pivotal in the development of clean energy solutions and medical implants such as stents and pacemakers. Goodfellow's platinum materials are instrumental in driving innovation, supporting pioneering research in fuel cell technology and next-generation electronic devices. Their adaptability and performance make them vital for researchers and engineers advancing the frontiers of materials science and sustainable industrial practices.
Properties
Identifiers
Isotopes
Applications
Grades
Synonyms
General Properties
| Property | Value |
|---|---|
| Atomic Number | 78 |
| Density | 21.45 g/cm³ |
| Melting Point | 1768 °C |
| Boiling Point | 3825 °C |
| Thermal Conductivity | 71.6 W/m·K |
| Electrical Resistivity | 105 nΩ·m |
| Crystal Structure | Face-Centered Cubic (FCC) |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 125–200 MPa |
| Yield Strength | 30–120 MPa |
| Young’s Modulus | 168 GPa |
| Hardness | Vickers ~56 HV |
| Elongation at Break | 30–50% |
| Poisson’s Ratio | 0.38 |
Chemical Properties
| Property | Value |
|---|---|
| Corrosion Resistance | Outstanding; resists oxidation and most acids |
| Reactivity | Unreactive with air and water; dissolves in aqua regia and molten alkalis |
| Oxidation States | +2, +4 (common) |
| Surface Oxide | Forms stable Pt oxides under specific conditions |
| Identifier | Value |
|---|---|
| Symbol | Pt |
| Atomic Number | 78 |
| CAS Number | 7440-06-4 |
| UN Number | UN3089 (powder) |
| EINECS Number | 231-116-1 |
| Isotope | Type | Notes |
|---|---|---|
| Pt-194 | Stable | One of six naturally occurring isotopes (~32.9%) |
| Pt-195 | Stable | Most abundant natural isotope (~33.8%) |
| Pt-196 | Stable | ~25.2% natural abundance |
| Pt-198 | Stable | ~7.36% natural abundance |
Scientific Applications
| Use Case | Description |
|---|---|
| Catalysis | Widely used as catalyst in fuel cells and chemical synthesis |
| Surface Science | Substrate for electrochemical and sensor research |
| Thin-Film Coatings | Used in sputtering targets for reflective and conductive films |
| Nanoelectronics | Key material for nanoscale device fabrication and contacts |
| Biomedical Devices | Biocompatible coatings and implants in medical research |
Industrial Applications
| Use Case | Description |
|---|---|
| Automotive Catalysts | Core component of catalytic converters to reduce emissions |
| Electronics | Employed in connectors, thermocouples, and resistors |
| Chemical Industry | Catalyst in nitric acid and silicone production |
| Glass Manufacturing | Used in production of glass fibers and fiberglass |
| Purity | Description |
|---|---|
| 99.85% (2N85) | High-quality Platinum suitable for general industrial applications and initial research requiring good purity with some trace impurities. |
| 99.9% (3N) | Refined Platinum for standard research and industrial use, balancing purity and cost for many catalytic and electrical applications. |
| 99.95% (3N5) | Enhanced purity Platinum ideal for sensitive catalytic systems and precise electronic component manufacturing. |
| 99.99% (4N) | High-purity Platinum for advanced research, nanoelectronics, and high-performance catalytic applications requiring minimal impurities. |
| 99.995% (4N5) | Specialized grade with extremely low impurity levels for demanding scientific experiments and critical industrial processes. |
| 99.999% (5N) | Exceptionally pure Platinum for cutting-edge applications in quantum computing, ultra-high precision electronics, and advanced catalysis requiring near-total impurity elimination. |
| Synonym |
|---|
| Pt |
| Platinum metal |
| Pt metal |
| Elemental Platinum |
| Element 78 |
| Platino (Spanish, Italian) |
| Platine (French) |
| Platin (German) |