Korean Journal of Chemical Engineering

, Volume 17, Issue 5, pp 502–505 | Cite as

Measurement of infinite-dilution activity coefficients of alcohols in water using relative gas-liquid chromatographic method

  • Katsumi TochigiEmail author
  • Masanori Uchiyama
  • Kazuo Kojima


Infinite-dilution activity coefficients of n-alcohols (C1-C8) in water were measured by using the relative gas-liquid chromatographic method proposed by Orbey and Sandler [1991]. The temperature range of measurement was 298 to 343 K. The g γ values at 298.15 K varied from 1.72 (methanol) to 1970 (n-heptanol). ASOG, UNIFAC, modified UNIFAC (Dortmund), modified UNIFAC (Lyngby) group contribution methods could predict γ to within 16.9, 28.8, 23.9 and 31.8 average percent error, respectively, for all systems and temperatures.

Key words

Measurement Infinite-Dilution Activity Coefficients Relative Gas-Liquid Chromatography ASOG UNIFAC 


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Copyright information

© Korean Institute of Chemical Engineering 2000

Authors and Affiliations

  • Katsumi Tochigi
    • 1
    Email author
  • Masanori Uchiyama
    • 1
  • Kazuo Kojima
    • 1
  1. 1.College of Science and TechnologyNihon UniversityTokyoJapan

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