Platinum

Platinum: physical properties

Temperatures

• Melting point: 2041.4 [or 1768.3 °C (3214.9 °F)] K
• Boiling point: 4098 [or 3825 °C (6917 °F)] K (liquid range: 2056.6  K
• Critical temperature: no data  K
• Superconduction temperature: no data  K

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Expansion and conduction properties

• Thermal conductivity: 72  W m^-1 K^-1
• Coefficient of linear thermal expansion: 8.8  x 10^-6 K^-1

Bulk properties

• Density of solid: 21090  kg m^-3
• Molar volume: 9.09  cm³
• Velocity of sound: 2680  m s^-1

Elastic properties

• Youngs modulus: 168  GPa
• Rigidity modulus: 61  GPa
• Bulk modulus: 230  GPa
• Poissons ratio: 0.38  (no units)

Hardnesses

• Mineral hardness: 3.5  (no units)
• Brinell hardness: 392  MN m^-2
• Vickers hardness: 549  MN m^-2

Electrical properties

• Electrical resistivity: 10.6  10^-8 Ω m; or mΩ cm

Optical properties

The image above is a virtual representation of platinum metal calculated by Patrick Callet using the complex diectric function of the element only.

• Reflectivity: 73  %
• Refractive index: no data  (no units)

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Platinum	Platine
Platin	Platina
Platino	Platino
Platina	Platina