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Title: Optically determined mesomorphic transitions in cholesteryl stearate at high pressure
Authors: Maeda, Katsumi
Nakahara, Masaru
Hara, Kimihiko
Osugi, Jiro
Issue Date: 20-Feb-1980
Publisher: The Physico-Chemical Society of Japan
Journal title: The Review of Physical Chemistry of Japan
Volume: 49
Issue: 2
Start page: 85
End page: 90
Abstract: A new optical method to determine phase transitions at high pressure is described in detail. The method is applied to mesomorphic transitions in cholesteryl stearate. The solid-isotropic liquid and cholesteric-isotropic liquid transition temeperatures vary linearly with pressure is the range of 1 to 800 bar. The volume change computed at 1 bar through the Clapeyron equation is 55 cm^3 mol^-1 for the solid-isotropic liquid transition and l.2 cm^3 mol^-1 for the cholesteric-isotropic liquid transition. The ratio of the latter volume change to the former is 0.022, being close to that for many nematic phases.
Appears in Collections:Vol.49 No.2

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