Platinum
Content created by REAL intelligence since 2016
|
|
|
Physical state @ 20°C: |
Solid |
|
Color: |
Silvery-white. Steel gray to dark gray as mineral [4] |
|
Luminescence: |
- |
|
Luster: |
Metallic [4] |
|
Transparancy: |
Opaque [4] |
|
Streak: |
Steel-gray to silver-white [4] |
|
Odor: |
- |
|
Molecular weight (g/mol): |
195.084(9) [9] |
|
Melting point (°C):  |
1769 [1] |
|
Boiling point (°C):  |
4170 [1] |
|
Density (g/cm3):  |
21.45 [1] |
|
Relative vapor density (g/cm3): |
- |
|
Molar volume (cm3): |
9.1 (20 °C) [2] |
|
Vapor pressure: |
- |
|
Critical temperature (°C): |
- |
|
Critical pressure (kPa): |
- |
|
Elastic properties:
Young's modulus (GPa):
Rigidity modulus (GPa):
Bulk modulus (GPa):
Poisson ratio: |
155-172 [2] 61 [2] 276 [2] 0.38-0.39 [2] |
|
Hardness:
Mineral hardness:
Brinell hardness (MN/m2):
Vicker hardness (MN/m2): |
4-4.5 [4] - - |
|
Reflectivity (%): |
- |
|
Refractive index: |
- |
|
Velocity of sound (m/s): |
- |
|
Surface tension: |
- |
|
Decomposition temperature: |
n/a |
|
Flammability: |
- |
|
Flash point: |
- |
|
Auto ignition temperature: |
- |
|
Flammability or explosive limits (% v/v):
Upper:
Lower: |
- - |
|