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The spinodal as a reference curve for the high-pressure volumetric behavior of liquids

✍ Scribed by Valentín García Baonza; Mercedes Cáceres; Javier Núñez

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
527 KB
Volume
216
Category
Article
ISSN
0009-2614

No coin nor oath required. For personal study only.

✦ Synopsis

Experimental

and theoretical studies suggest that the thermal expansion coefficients ap of liquids follow a power law up to extremely high pressures along isothermal paths. Accurate experiments reveal that intersections between gyp isotherms occur at high pressure for many liquids. It is shown how the high-pressure behavior of (yp can be accurately predicted for real liquids from surface tension and low-pressure ol, measurements.

The method proposed here is based on the assumption that the spinodal curve does exist and can be estimated from surface tension measurements using Fiirth's hole theory.

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