7.6: Appendix F - Triple Point of Selected Substances
- Page ID
- 89832
\( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} } \) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\)
Table F1: Triple Point of Selected Fluids
|
Substance |
Temperature K (°C) |
Pressure kPa (atm) |
|---|---|---|
| Acetylene | 192.4 K (−80.7 °C) | 120 kPa (1.2 atm) |
| Ammonia | 195.40 K (−77.75 °C) | 6.060 kPa (0.05981 atm) |
| Argon | 83.8058 K (−189.3442 °C) | 68.9 kPa (0.680 atm) |
| Butane | 134.6 K (−138.6 °C) | 7×10−4 kPa (6.9×10−6 atm) |
| Carbon dioxide | 216.55 K (−56.60 °C) | 517 kPa (5.10 atm) |
| Carbon monoxide | 68.10 K (−205.05 °C) | 15.37 kPa (0.1517 atm) |
| Ethane | 89.89 K (−183.26 °C) | 1.1×10−3 kPa (1.1×10−5 atm) |
| Ethanol | 150 K (−123 °C) | 4.3×10−7 kPa (4.2×10−9 atm) |
| Ethylene | 104.0 K (−169.2 °C) | 0.12 kPa (0.0012 atm) |
| Hexafluoroethane | 173.08 K (−100.07 °C) | 26.60 kPa (0.2625 atm) |
| Hydrogen | 13.8033 K (−259.3467 °C) | 7.04 kPa (0.0695 atm) |
| Hydrogen chloride | 158.96 K (−114.19 °C) | 13.9 kPa (0.137 atm) |
| Isobutane | 113.55 K (−159.60 °C) | 1.9481×10−5 kPa (1.9226×10−7 atm) |
| Krypton | 115.76 K (−157.39 °C) | 74.12 kPa (0.7315 atm) |
| Mercury | 234.3156 K (−38.8344 °C) | 1.65×10−7 kPa (1.63×10−9 atm) |
| Methane | 90.68 K (−182.47 °C) | 11.7 kPa (0.115 atm) |
| Neon | 24.5561 K (−248.5939 °C) | 43.332 kPa (0.42765 atm) |
| Nitric oxide | 109.50 K (−163.65 °C) | 21.92 kPa (0.2163 atm) |
| Nitrogen | 63.18 K (−209.97 °C) | 12.6 kPa (0.124 atm) |
| Nitrous oxide | 182.34 K (−90.81 °C) | 87.85 kPa (0.8670 atm) |
| Oxygen | 54.3584 K (−218.7916 °C) | 0.14625 kPa (0.0014434 atm) |
| Radon | 202 K (−71 °C) | 70 kPa (0.69 atm) |
| Water | 273.16 K (0.01 °C) | 0.611657 kPa (0.00603659 atm) |
| Xenon | 161.3 K (−111.8 °C) | 81.5 kPa (0.804 atm) |
Source: Wikipedia contributors. (2021b, June 8). Triple point. Wikipedia. https://en.Wikipedia.org/wiki/Triple_point, (retrieved June 10, 2021).