Troubling Triples data

| Substance            | Temperature (K) | Pressure (kPa) |
|----------------------|-----------------|----------------|
| Acetylene            | 173.1           | 26.6           |
| Ammonia              | 109.5           | 21.9           |
| Argon                | 115.8           | 74.1           |
| Arsenic              | 293.0           | 3,000,000      |
| Butane               | 1941            | 0.0053         |
| Carbon               | 1090            | 3628           |
| Carbon monoxide      | 90.68           | 11.7           |
| Carbon monoxide      | 18.63           | 17.1           |
| Deuterium            | 24.57           | 43.2           |
| Deuterium            | 273.0           | 100            |
| Ethane               | 2,045           | 0.0002         |
| Ethylene             | 113.55          | 0.000019481    |
| Formic acid          | 104             | 0.12           |
| Hexafluoroethane     | 337.2           | 151.7          |
| Hydrogen             | 18.63           | 17.1           |
| Hydrogen chloride*   | 145.0           | 810,000        |
| Iodine               | 195.4           | 6.1            |
| Isobutane            | 1825            | 0.0035         |
| Krypton              | 161.3           | 81.5           |
| Krypton              | 158.96          | 13.9           |
| Methane              | 68.1            | 15.37          |
| Monosilane           | 273.13          | 0.611657       |
| Monosilane           | 134.6           | 0.0007         |
| Neon                 | 68.1            | 15.37          |
| Nitric oxide         | 182.3           | 87.9           |
| Nitrogen             | 192.4           | 120            |
| Nitrous oxide        | 386.7           | 12.1           |
| Nitrous oxide        | 250.0           | 500,000        |
| Oxygen               | 88.48           | 0.019644       |
| Palladium            | 198.0           | 300,000        |
| Platinum             | 273.0           | 3,000,000      |
| Radon                | 54.36           | 0.152          |
| Sulfur dioxide       | 89.89           | 0.0008         |
| Titanium             | 250.0           | 300,000        |
| Uranium hexafluoride | 270.0           | 1,100,000      |
| Water                | 88.48           | 0.019644       |
| Xenon                | 115.8           | 74.1           |
| Zinc                 | 197.69          | 1.67           |

*Heated at 0.4 K/min