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Cyanic acid


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:
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
30.7253.AStephenson and Malanowski, 1987Based on data from 233. - 268. K.; AC

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
196.88 - 267.214.69001252.195-29.167Linhard, 1938Coefficents calculated by NIST from author's data.

References

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

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Linhard, 1938
Linhard, Martin, Der Dampfdruck fl«65533»ssiger Cyans«65533»ure, Z. Anorg. Allg. Chem., 1938, 236, 1, 200-208, https://doi.org/10.1002/zaac.19382360118 . [all data]


Notes

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