NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.

Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.

U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PUBLICATIONS

Subatmospheric Vapor Pressures for Fluoromethane (R41), 1,1-Difluoroethane (R152a), and 1,1,1-Trifluoroethane (R143a) Evaluated from Internal-Energy

Published

Author(s)

H Duarte, Joe W. Magee

Abstract

Vapor pressures were evaluated from measured internal-energy changes AU(2) in the vapor + liquid two-phase region.
Citation
International Journal of Thermophysics
Volume
20
Pub Type
Journals

Keywords

1, 1-trifluoroethane, 1-difluoroethane, fluoromethane, internal energy, refirgerants, triple point, two-phase region, vapor pressure

Citation

Duarte, H. and Magee, J. (1999), Subatmospheric Vapor Pressures for Fluoromethane (R41), 1,1-Difluoroethane (R152a), and 1,1,1-Trifluoroethane (R143a) Evaluated from Internal-Energy, International Journal of Thermophysics (Accessed October 9, 2025)

Issues

If you have any questions about this publication or are having problems accessing it, please contact [email protected].

Created February 28, 1999, Updated October 12, 2021
Was this page helpful?