1,2,3-Propanetricarboxylic acid, 2-hydroxy-, hydrate (1:1)

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Condensed phase thermochemistry data

Go To: Top, References, Notes

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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfsolid-1838.kJ/molCcbChappel and Hoare, 1958ALS
Quantity Value Units Method Reference Comment
Δcsolid-1952.kJ/molCcbChappel and Hoare, 1958Corresponding Δfsolid = -1838. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
solid,1 bar283.5J/mol*KN/AEvans, Hoare, et al., 1962DH
solid,1 bar285.32J/mol*KN/ADe Kruif, Van Miltenburg, et al., 1982DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
269.52300.De Kruif, Van Miltenburg, et al., 1982T = 120 to 300 K.; DH
268.1298.15Evans, Hoare, et al., 1962T = 21 to 303 K.; DH

References

Go To: Top, Condensed phase thermochemistry data, Notes

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

Chappel and Hoare, 1958
Chappel, F.P.; Hoare, F.E., The heat of combustion of citric acid monohydrate, Trans. Faraday Soc., 1958, 54, 367-371. [all data]

Evans, Hoare, et al., 1962
Evans, D.M.; Hoare, F.E.; Melia, T.P., Heat capacity, enthalpy and entropy of citric acid monohydrate, Trans. Faraday Soc., 1962, 58, 1511-1514. [all data]

De Kruif, Van Miltenburg, et al., 1982
De Kruif, C.G.; Van Miltenburg, J.C.; Sprenkels, A.J.J.; Stevens, G., Thermodynamic properties of citric acid and the system citric acid-water, Thermochim. Acta, 1982, 58, 341-354. [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, References