Vapor Pressure versus Temperature Relations of Common Elements

B. Mondal, T. Mukherjee, N. W. Finch, A. Saha, M. Z. Gao, T. A. Palmer, T. DebRoy

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


The vapor pressure values of common elements are available in the literature over a limited temperature range and the accuracy and reliability of the reported data are not generally available. We evaluate the reliability and uncertainty of the available vapor pressure versus temperature data of fifty common pure elements and recommend vapor pressure versus temperature relations. By synthesizing the vapor pressure values from measurements reported in the literature with the values computed using the Clausius Clapeyron relation beyond the boiling point, we extend the vapor pressure range from 10−8 atm to 10 atm. We use a genetic algorithm to optimize the fitting of the vapor pressure data as a function of temperature over the extended vapor pressure range for each element. The recommended vapor pressure values are compared with the corresponding literature values to examine the reliability of the recommended values.

Original languageEnglish (US)
Article number50
Issue number1
StatePublished - Jan 2023

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Condensed Matter Physics


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