Letter | Published:

A New Pressure-Temperature Formula for Vapours

Nature volume 119, page 198 (05 February 1927) | Download Citation

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Abstract

ABOUT forty formulæ have been proposed to represent the relation between the pressure p and temperature t of saturated vapours. The suggested formulæ reproduce the experimental results only on a limited part of the vapour-pressure curve, and not on the whole of it. Many of them give inexact results at very low temperatures or in the proximity of the critical point. Finally, none of them reproduces the critical point as the singular point (end-point, le point d'arrêt) of the pressure-temperature curve.

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Affiliations

  1. Thermotechnical Institute, Moscow, Dec. 18.

    • A. BATSCHINSKI

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DOI

https://doi.org/10.1038/119198a0

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