Platinum
Pt
Platinum
Data Sheet
Physical Properties
- Melting point: 1768.3°C
- Density: 21.45 g/cm³
- Thermal Conductivity: 71.6 W/m·K
- Electrical Resistivity: 10.6 µΩ·cm at 20°C
Chemical Properties
- Atomic Number: 78
- Atomic Weight: 195.08 amu
- Crystal Structure: Face-Centered Cubic (FCC)
Applications
- Electronics: Microelectronics for interconnects, conductive layers, connectors, and bonding wires
- Optics: Reflective coatings and optical filters
- Medical: Biocompatible coatings and implants
- Sensors: Surface Plasmon Resonance (SPR) sensors
- Aerospace: Reflective Coatings
- Energy: Photovoltaics & Fuel Cells
Forms
Sputtering Targets
(any dimension)
Diameter, Rectangular, Delta & Rotatable configurations
Platinum sputtering target for 200mm PVD system
Evaporation Material
(any dimension)
Pellets or Wire
Platinum pellets .250” x .250”
Purity Guide
| Purity | Level | Metallic Impurities Allowed (PPM) |
| (2N) 99% | 99% | 10,000 |
| (2N5) | 99.5% | 5,000 |
| (3N) | 99.9% | 1,000 |
| (3N5) | 99.95% | 500 |
| (4N) | 99.99% | 100 |
| (4N5) | 99.995% | 50 |
| (5N) | 99.999% | 10 |
| (5N5) | 99.9995% | 5 |
| (6N) | 99.9999% | 1 |
Example of a Typical Certificate of Analysis
| Element | PPM Level | Element | PPM Level |
| Ag | ND | Au | ND |
| Cu | ND | Fe | 1.1 |
| Mg | ND | Ni | <4 |
| Pd | ND | Si | ND |
| Sn | ND | Zr | 5 |