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Phase equilibrium and metastability of liquid benzene at high pressures
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10.1063/1.2198808
/content/aip/journal/jcp/124/20/10.1063/1.2198808
http://aip.metastore.ingenta.com/content/aip/journal/jcp/124/20/10.1063/1.2198808

Figures

Image of FIG. 1.
FIG. 1.

Diagram of the installation used in this work. 6: regulator, 11: carving cover, 13: electric engine, 16: counterweight, 18: mercury, and 19: lubricant. The other elements are described in the text.

Image of FIG. 2.
FIG. 2.

diagram of liquid-to-solid equilibrium of benzene. Solid line: plot of the curve of Eq. (9) representing the data. The upper diagram compares our work with theory: “o” signs: data site shown in Table I, “∗” signs: equilibrium data obtained upon solving Eqs. (7) and (8) with our data used as parameters. The lower diagram compares our work with previous data: “×” signs: previous data (Ref. 11), “+” signs: previous data (Ref. 8), “◇” signs: previous data (Ref. 2).

Image of FIG. 3.
FIG. 3.

Molar volume discontinuity as function of temperature. “o” signs: data sites obtained upon solving Eqs. (7) and (8) with our data used as parameters. Solid line: plot of the line of Eq. (11) fitted to the data sites. “+” signs: previous data (Ref. 8).

Image of FIG. 4.
FIG. 4.

Molar enthalpy change of solidification as function of temperature. “o” signs: data sites for the enthalpy change corresponding to our data shown in Table I. Solid line: plot of the cubic curve of Eq. (13) fitted to the data sites.

Image of FIG. 5.
FIG. 5.

A diagram of the isobar which is the curve . The vertical line sets a limit between the liquid and solid regions and the horizontal line is the liquid-to-solid transition line. Curve extends continuously and naturally the liquid properties and intersects the line at where , which is taken as the theoretical limit of liquid metastability. See text.

Image of FIG. 6.
FIG. 6.

A diagram of the experimental (“o” signs) and theoretical (“∗” signs) limits of liquid metastability as functions of the liquid-to-solid solidification temperature . The solid and dashed lines are fitted to the experimental and theoretical limits of liquid metastability data, respectively.

Tables

Generic image for table
Table I.

Liquid-to-solid equilibrium observed data for benzene. Ten results out of the total number of runs performed are shown. Solidification pressure is in MPa and temperature in K.

Generic image for table
Table II.

Liquid-to-solid and limits of liquid metastability for benzene. and are the transition pressure and temperature. and are the experimental and theoretical limits of liquid metastability. is the pressure drop.

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/content/aip/journal/jcp/124/20/10.1063/1.2198808
2006-05-24
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Phase equilibrium and metastability of liquid benzene at high pressures
http://aip.metastore.ingenta.com/content/aip/journal/jcp/124/20/10.1063/1.2198808
10.1063/1.2198808
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