Vapor pressure measurements of 1,1,1,2,3,3-hexafluoropropane from 300 to 410 K

Journal Article · Wed Nov 01 04:00:00 EST 1995 · Journal of Chemical and Engineering Data

DOI:https://doi.org/10.1021/je00022a031· OSTI ID:137018

Zhang, H L; Sato, Haruki; Watanabe, Koichi ^[1]

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1. Keio Univ., Yokohama (Japan)

The authors present new vapor pressure measurements for 1,1,1,2,3,3-hexafluoropropane (R-236ea) in the temperature range from 300 to 410 K. The measurements were performed with a static technique, and the uncertainties of the measurements were estimated to be within {+-}0.6 kPa for pressure and within {+-}8 mK for temperature. A Wagner-type vapor pressure correlation was developed to represent the measured vapor pressures, and the critical pressure was determined as (3,411.6 {+-} 3.0) kPa corresponding to the critical temperature of 412.375 K. The purity of the R-236ea sample used in the present measurements was 99.9 mol %. The effect of the volatile impurity in the sample on the vapor pressure measurements is discussed and corrected.

• Sponsoring Organization: USDOE
• OSTI ID: 137018
• Journal Information: Journal of Chemical and Engineering Data, Journal Name: Journal of Chemical and Engineering Data Journal Issue: 6 Vol. 40; ISSN 0021-9568; ISSN JCEAAX
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
40 CHEMISTRY
54 ENVIRONMENTAL SCIENCES
CHLOROFLUOROCARBONS
EXPERIMENTAL DATA
FLUORINATED ALIPHATIC HYDROCARBONS
HEAT PUMPS
MATERIAL SUBSTITUTION
MEASURING METHODS
REFRIGERANTS
REFRIGERATING MACHINERY
VAPOR PRESSURE