Acetic acid, potassium salt

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Condensed phase thermochemistry 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 by: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
solid,1 bar150.82J/mol*KN/ANgeyi, Malik, et al., 1990 

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
109.38298.15Ngeyi, Malik, et al., 1990T = 4 to 585 K.

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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tfus582.KN/ANgeyi, Malik, et al., 1990Crystal phase 1 phase; Uncertainty assigned by TRC = 2. K; TRC
Tfus578.7KN/AFerloni, Sanesi, et al., 1975Crystal phase 1 phase; Uncertainty assigned by TRC = 0.2 K; TRC

Temperature of phase transition

Ttrs (K) Initial Phase Final Phase Reference Comment
332.crystaline, IIIcrystaline, IIHouse and Kemper, 1990DH

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.2454429.5crystaline, IIcrystaline, IHouse and Kemper, 1990DH
0.34671411.crystaline, IIIbcrystaline, IIIaNgeyi, Malik, et al., 1990DH
0.18957425.crystaline, IIIacrystaline, IINgeyi, Malik, et al., 1990DH
1.613474.crystaline, IIcrystaline, INgeyi, Malik, et al., 1990DH
7.649582.crystaline, IliquidNgeyi, Malik, et al., 1990Crystal to isotropic liquid.; DH
0.420423.crystaline, IIcrystaline, IFerloni, Sanesi, et al., 1975, 2DH
15.230578.7crystaline, IliquidFerloni, Sanesi, et al., 1975, 2DH

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
0.577429.5crystaline, IIcrystaline, IHouse and Kemper, 1990DH
0.8065411.crystaline, IIIbcrystaline, IIIaNgeyi, Malik, et al., 1990DH
0.4157425.crystaline, IIIacrystaline, IINgeyi, Malik, et al., 1990DH
3.3840474.crystaline, IIcrystaline, INgeyi, Malik, et al., 1990DH
13.137582.crystaline, IliquidNgeyi, Malik, et al., 1990Crystal; DH
1.0423.crystaline, IIcrystaline, IFerloni, Sanesi, et al., 1975, 2DH
26.3578.7crystaline, IliquidFerloni, Sanesi, et al., 1975, 2DH

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Mass spectrum (electron ionization)

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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin E. White V, SmithKline Corp.
NIST MS number 353309

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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.

Ngeyi, Malik, et al., 1990
Ngeyi, S.P.; Malik, I.; Westrum, E.F., Thermodyanamics of alkali alkanoates VII. Heat capacity and thermodynamic functions of potassium acetate from 4 to 585 K, J. Chem. Thermodynam., 1990, 22, 91-98. [all data]

Ferloni, Sanesi, et al., 1975
Ferloni, P.; Sanesi, M.; Franzosini, P., Phase transitions in the alkali C1-n.C4 alkanoates, Z. Naturforsch., A: Phys., Phys. Chem., Kosmophys., 1975, 30, 1447-57. [all data]

House and Kemper, 1990
House, J.H.; Kemper, K.A., Phase transitions and their thermal hysteresis in anhydrous potassium acetate, Thermochim. Acta, 1990, 162(2), 325-331. [all data]

Ferloni, Sanesi, et al., 1975, 2
Ferloni, P.; Sanesi, M.; Franzosini, P.; C4 alkanoates, Phase transitions in the alkali C1-n., Z. Naturforsch. 30a, 1975, 1447-1454. [all data]


Notes

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