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Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director

Quantity Value Units Method Reference Comment
Tboil629.81KN/AMarsh, 1987Uncertainty assigned by TRC = 0.01 K; recommended as fixed point for thermometry; TRC
Tboil629.7KN/AHonig and Kramer, 1969Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Tfus234.3KN/AAnonymous, 1988Uncertainty assigned by TRC = 0.005 K; nominal value, from the catalog; TRC
Tfus234.31KN/AMarsh, 1987Uncertainty assigned by TRC = 0.005 K; TRC
Tfus234.5KN/ATimmermans, 1911Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Ttriple234.3KN/AMarsh, 1987Uncertainty assigned by TRC = 0.003 K; values recommended as calibration standard; TRC
Ttriple234.29KN/AHonig and Kramer, 1969Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Tc0.KN/AMenzies, 1913based on his observations, author doubts that Tc observed by Koninsberger (1913-170), 1275 deg C is correct; TRC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
298.14 - 749.994.851963007.129-10.001Hicks, 1963Coefficents calculated by NIST from author's data.

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

Go To: Top, Phase change data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Marsh, 1987
Marsh, K.N., Recommended Reference Materials for the Realization of Physicochemical Properties, Blackwell Sci. Pub., Oxford, 1987. [all data]

Honig and Kramer, 1969
Honig, R.E.; Kramer, D.A., Vapor pressure data for the solid and liquid elements, RCA Rev., 1969, 1969, 285. [all data]

Anonymous, 1988
Anonymous, X., , NBS Spec. Publ. (U. S.) 260, 1988. [all data]

Timmermans, 1911
Timmermans, J., Researches on the freezing point of organic liquid compounds, Bull. Soc. Chim. Belg., 1911, 25, 300. [all data]

Menzies, 1913
Menzies, A.W.C., The Critical Temperature of Mercury, J. Am. Chem. Soc., 1913, 35, 1065. [all data]

Hicks, 1963
Hicks, W.T., Evaluation of Vapor-Pressure Data of Mercury, Lithium, Sodium, and Potassium, J. Chem. Phys., 1963, 38, 8, 1873-1880, https://doi.org/10.1063/1.1733889 . [all data]


Notes

Go To: Top, Phase change data, References