Enthalpies for Ethylbenzene, Isooctane, and Ethylcyclohexane in the Fluid State

Mark G. Johnson, Haruki Sato, Arthur G. Williamson, Philip T. Eubank

研究成果: Article査読

4 被引用数 (Scopus)

抄録

An electrical-matching, flow calorimeter was used to measure the enthalpies of ethylbenzene (349-551 K, 1.5-200 bar), Isooctane (358-520 K, 20-100 bar), and ethylcyclohexane (335-576 K, 20-100 bar). Water/steam calibration measurements show the apparatus capable of 0.1-0.2% precision with no detectable systematic bias. The present measurements are shown to be accurate to ±0.25% in enthalpy and ±2% in heat capacity. Literature vapor pressures, heats of vaporization, and perfect gas state enthalpies, consistent with the present hydrocarbon enthalpies, are used with our results to provide pressure/enthalpy diagrams for both the liquid and vapor states.

本文言語English
ページ(範囲)101-107
ページ数7
ジャーナルJournal of Chemical and Engineering Data
35
2
DOI
出版ステータスPublished - 1990 4

ASJC Scopus subject areas

  • 化学 (全般)
  • 化学工学(全般)

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