This calculation page is based on the Supplementary Release on Backward Equations for Specific
Volume as a Function of Pressure and Temperature v(p,T) for Region 3 of the IAPWS Industrial
Formulation 1997 for the Thermodynamic Properties of Water and Steam
Detailed information about used equations, constants, range of validity etc is presented in PDF
version of IAPWS Release which can be downloaded from IAPWS web site
http://www.iapws.org/relguide/Supp-VPT3-2014.pdf