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NIST, National Institute of Standards and Technology, U.S. Department of Commerce
NIST Temperature Scale Database (SRD 60), Version 3.0

ITS-90 References for Temperature Points:

Fluorinated Hydrocarbons
Year Reference Data with Ref.
2016 Qi, H., Fang, D., Gao, K., Meng, X., and Wu, J., "Compressed Liquid Densities and Helmholtz Energy Equation of State for Fluoroethane (R161)," Int. J. Thermophys., 37:55, 2016. (DOI:)
2012 Mulero, A., Cachadiña, I., and Parra, M.I., "Recommended Correlations for the Surface Tension of Common Fluids," J. Phys. Chem. Ref. Data, 41(4), 043105, 2012. (DOI:)
2006 Lemmon, E.W. and Span, R., "Short Fundamental Equations of State for 20 Industrial Fluids," J. Chem. Eng. Data, 51(3):785-850, 2006. (DOI:)
2005 Lemmon, E.W. and Jacobsen, R.T, "A New Functional Form and New Fitting Techniques for Equations of State with Application to Pentafluoroethane (HFC-125)," J. Phys. Chem. Ref. Data, 34(1):69-108, 2005. (DOI:)
2000 Lemmon, E.W. and Jacobsen, R.T, "An International Standard Formulation for the Thermodynamic Properties of 1,1,1-Trifluoroethane (HFC-143a) for Temperatures from 161 to 450 K and Pressures to 50 MPa," J. Phys. Chem. Ref. Data, 29(4):521-552, 2000. (DOI:)
1994 Tillner-Roth, R. and Baehr, H.D., "An International Standard Formulation of the Thermodynamic Properties of 1,1,1,2-Tetrafluoroethane (HFC-134a) for Temperatures from 170 K to 455 K at Pressures up to 70 MPa," J. Phys. Chem. Ref. Data, 23:657-729, 1994. (DOI:)