WTT User's Guide
Previous Properties and Implemented Models Next

Density (Gas)

Mass density ρ of a vapor in equilibrium with its liquid phase, as a function of temperature T and in units of kg/m3.

where z = compressibility, MW = molar mass, Rgas = universal gas constant and vm = molar volume
Previous Home Next
REFPROP Up VirialV

©2012 copyright by the US Secretary of Commerce on behalf of the United States of America. All rights reserved.
Privacy Policy/Security Notice/Accessibility Statement/Disclaimer/Freedom of Information Act (FOIA)
The TRC Group is part of the Thermophysical Properties Division in NIST's Material Measurement Laboratory
The National Institute of Standards and Technology is an agency of the U.S. Department of Commerce