PVT and vapor pressure measurements on 1,1-dichloro-2,2,2-trifluoroethane (HCFC-123)

Chun cheng Pioa, Haruki Sato, Koichi Watanabe

Research output: Contribution to journalArticle

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Abstract

A complete set of PVT properties, vapor pressures, and critical parameters of 1,1-dichloro-2,2,2-trifluoroethane (HCFC-123) were measured by a constant-volume method. Values of 134 PVT property data were obtained along 19 isochores in a range of temperatures from 311 to 523 K, pressures from 0.5 to 12 MPa, and densities from 95 to 1440 kg·m-3, respectively. Results for 68 vapor pressures were obtained at temperatures from 308 K to the critical temperature, while a vapor pressure correlation representing the experimental data within ±0.26% was developed. The critical pressure was determined as 3.6655 ± 0.0030 MPa in the course of developing the vapor pressure correlation. The uncertainties of measurements are less than ±10 mK in temperature, ±2 kPa in pressure, and ±0.01 to ±0.14% in density, respectively. The purity of samples used was 99.8 and 99.82 wt%.

Original languageEnglish
Pages (from-to)398-403
Number of pages6
JournalJournal of Chemical and Engineering Data
Volume36
Issue number4
Publication statusPublished - 1991 Oct

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Pressure measurement
Vapor pressure
Isochores
Temperature
2,2-dichloro-1,1,1-trifluoroethane

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)

Cite this

PVT and vapor pressure measurements on 1,1-dichloro-2,2,2-trifluoroethane (HCFC-123). / Pioa, Chun cheng; Sato, Haruki; Watanabe, Koichi.

In: Journal of Chemical and Engineering Data, Vol. 36, No. 4, 10.1991, p. 398-403.

Research output: Contribution to journalArticle

Pioa, Chun cheng ; Sato, Haruki ; Watanabe, Koichi. / PVT and vapor pressure measurements on 1,1-dichloro-2,2,2-trifluoroethane (HCFC-123). In: Journal of Chemical and Engineering Data. 1991 ; Vol. 36, No. 4. pp. 398-403.
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