Fixed Temperature Points
Temperature points that can be used as a reference for calibration
Temperature defining points of the International Practical Temperature Scale of 1990 (ITS90):
| Substance | Temperature (K) |
|---|---|
| Triple point of hydrogen | 13.8033 |
| Triple point of neon | 24.5561 |
| Triple point of oxygen | 54.3584 |
| Triple point of argon | 83.8058 |
| Triple point of mercury | 234.3156 |
| Triple point of water | 273.16 |
| Melting point of gallium | 302.9146 |
| Freezing point of indium | 429.7485 |
| Freezing point of tin | 505.078 |
| Freezing point of zinc | 692.677 |
| Freezing point of aluminum | 933.573 |
| Freezing point of silver | 1234.93 |
| Freezing point of gold | 1337.33 |
| Freezing point of copper | 1357.77 |
