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Critical pressure

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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

Pc (atm) Reference Comment
33.3 ± 0.2Ambrose and Tsonopoulos, 1995 
33.25Gude and Teja, 1994Uncertainty assigned by TRC = 0.20 atm; TRC
33.16Nikitin, Pavlov, et al., 1994Uncertainty assigned by TRC = 0.39 atm; TRC
32.86Nikitin, Pavlov, et al., 1993Uncertainty assigned by TRC = 0.49 atm; TRC
33.26Fransson, Barreau, et al., 1992Uncertainty assigned by TRC = 0.30 atm; TRC
33.16Quadri, Khilar, et al., 1991Uncertainty assigned by TRC = 0.099 atm; TRC
33.16Grigor'ev, Rastorguev, et al., 1990Uncertainty assigned by TRC = 0.20 atm; TRC
33.25Rosenthal and Teja, 1989Uncertainty assigned by TRC = 0.20 atm; TRC
33.25Teja, Lee, et al., 1989TRC
33.38Brunner, 1988Uncertainty assigned by TRC = 0.05 atm; Visual, optical cell 30cm high. P transducer calibr. vs PB.; TRC
33.198Kratzke, Muller, et al., 1985Uncertainty assigned by TRC = 0.0033 atm; Values selected in accord with PVT study, vapour pressure measured up to 460 k; TRC
33.20Kratzke, 1985TRC
33.36Wolfe, Kay, et al., 1983Uncertainty assigned by TRC = 0.20 atm; $ %Y/SI 1.5 @Y/SI 20; TRC
33.34Aftienjew and Zawisza, 1977Uncertainty assigned by TRC = 0.0333 atm; TRC
32.25Das, Reed, et al., 1977Uncertainty assigned by TRC = 1.0000 atm; TRC
33.3220Kreglewski and Kay, 1969Uncertainty assigned by TRC = 0.2041 atm; TRC
33.3100Beattie, Levine, et al., 1951Uncertainty assigned by TRC = 0.0599 atm; TRC
33.6147Sage and Lacey, 1942Uncertainty assigned by TRC = 0.2041 atm; TRC
33.026Young, 1910Uncertainty assigned by TRC = 0.658 atm; TRC
32.27Altschul, 1893Uncertainty assigned by TRC = 1.9357 atm; TRC

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:


Go To: Top, Critical pressure, Notes

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

Ambrose and Tsonopoulos, 1995
Ambrose, D.; Tsonopoulos, C., Vapor-Liquid Critical Properties of Elements and Compounds. 2. Normal Alkenes, J. Chem. Eng. Data, 1995, 40, 531-546. [all data]

Gude and Teja, 1994
Gude, M.T.; Teja, A.S., Measurement techniques for critical properties of unstable substances, AIChE Symp. Ser., 1994, 90, 298, 14-22. [all data]

Nikitin, Pavlov, et al., 1994
Nikitin, E.D.; Pavlov, P.A.; Bessonova, N.V., Critical constants of n-alkanes with from 17 to 24 carbon atoms, J. Chem. Thermodyn., 1994, 26, 177-82. [all data]

Nikitin, Pavlov, et al., 1993
Nikitin, E.D.; Pavlov, P.A.; Skripov, P.V., Measurement of the critical properties of thermally unstable substances and mixtures by the pulse-heating method, J. Chem. Thermodyn., 1993, 25, 869-80. [all data]

Fransson, Barreau, et al., 1992
Fransson, E.; Barreau, A.; Vidal, J., Vapor-liquid equilibrium in binary systems of n-pentane + chlorodifluoromethane or + 1,1-difluoroethane, J. Chem. Eng. Data, 1992, 37, 521-5. [all data]

Quadri, Khilar, et al., 1991
Quadri, S.K.; Khilar, K.C.; Kudchadker, A.P.; Patni, M.J., Measurement of the critical temperatures and critical pressures of some thermally stable or mildly unstable alkanols, J. Chem. Thermodyn., 1991, 23, 67-76. [all data]

Grigor'ev, Rastorguev, et al., 1990
Grigor'ev, B.A.; Rastorguev, Yu.L.; Kurumov, D.S.; Gerasimov, A.A.; Kharin, V.E.; Plotnikov, S.A., Thermodynamic properties of n-pentane, Int. J. Thermophys., 1990, 11, 487-502. [all data]

Rosenthal and Teja, 1989
Rosenthal, D.J.; Teja, A.S., The Critical Properties of n-Alkanes Using a Low-Residence Time Flow Apparatus, AIChE J., 1989, 35, 1829. [all data]

Teja, Lee, et al., 1989
Teja, A.S.; Lee, R.J.; Rosenthal, D.J.; Anselme, M.J., Correlation of the Critical Properties of Alkanes and Alkanols in 5th IUPAC Conference on Alkanes and AlkanolsGradisca, 1989. [all data]

Brunner, 1988
Brunner, E., Fluid Mixtures at High Pressures VI. Phase Separation and Critical Phenomena in 18 (n-Alkane + Ammonia) and 4 (n-Alkane _ Methanol) Mixtures, J. Chem. Thermodyn., 1988, 20, 273. [all data]

Kratzke, Muller, et al., 1985
Kratzke, H.; Muller, S.; Bohn, M.; Kohlen, R., Thermodynamic properties of saturated and compressed liquid n-pentane., J. Chem. Thermodyn., 1985, 17, 283-294. [all data]

Kratzke, 1985
Kratzke, H., Critical constant of n-pentane, AIChE J., 1985, 31, 693. [all data]

Wolfe, Kay, et al., 1983
Wolfe, D.; Kay, W.B.; Teja, A.S., Phase Equilibria in the n-Pentane + Pent-1-ene System 1. Critical States, J. Chem. Eng. Data, 1983, 28, 319. [all data]

Aftienjew and Zawisza, 1977
Aftienjew, J.; Zawisza, A., High-pressure liquid vapour-equilibria, critical state and p(V,T,x) up to 503.15 and 4.560 MPa for n-pentane + n-perfluoropentane, J. Chem. Thermodyn., 1977, 9, 153-165. [all data]

Das, Reed, et al., 1977
Das, T.R.; Reed, C.O.; Eubank, P.T., PVT sSurface and Thermodynamic Propertrieies of n-Pentane., J. Chem. Eng. Data, 1977, 22, 3. [all data]

Kreglewski and Kay, 1969
Kreglewski, A.; Kay, W.B., The Critical Constants of Conformal Mixtures, J. Phys. Chem., 1969, 73, 3359. [all data]

Beattie, Levine, et al., 1951
Beattie, J.A.; Levine, S.W.; Douslin, D.R., The vapor pressure and critical constants of normal pentane, J. Am. Chem. Soc., 1951, 73, 4431. [all data]

Sage and Lacey, 1942
Sage, B.H.; Lacey, W.N., Phase equilibria in hydrocarbon systems. Thermodynamic properties of n- pentane., Ind. Eng. Chem., 1942, 34, 730-737. [all data]

Young, 1910
Young, S., The Internal Heat of Vaporization constants of thirty pure substances, Sci. Proc. R. Dublin Soc., 1910, 12, 374. [all data]

Altschul, 1893
Altschul, M., The critical values of some organic compounds, Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1893, 11, 577. [all data]


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