U.S. flag

An official website of the United States government

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:



Metal Halides
Year Reference Data with Ref.
2018 W. L. Tew and K. N. Quelhas, "Realizations of the Triple Point of Sulfur Hexafluoride in Transportable and Refillable Cells," J. Res. NIST 123, 1-40 (2018). (DOI:)
1996 Bedford, RE; Bonnier, G; Maas, H; Pavese, F, Recommended values of temperature on the International Temperature Scale of 1990 for a selected set of secondary reference points, Metrologia, 33 (1996) 133-154. (DOI:)
1992 Zhu Q., NaCl Phase Equilibrium as a Reference Temperature near 800 °C, in Temperature, Its Measurement and Control in Science and Industry (TMCSI), Reinhold, New York, 1992, 6, 357-362. (No DOI)
1992 Zhu Q., Walker J. H., A Determination of the Freezing Temperature of Sodium Chloride, in Temperature, Its Measurement and Control in Science and Industry (TMCSI), Reinhold, New York, 1992, 6, 363-368. (No DOI)