Phase transition behavior of fluorinated monolayers at the water-hexane interface

Article Abstract:

X-ray surface scattering and interfacial tension measurements are used to study the solid-to-gas phase transition in soluble monolayers of F(CF sub 2)(sub 8)(CH sub 2)(sub 2)OH and F(CF sub 2)(sub 10)(CH sub 2)(sub 2)OH adsorbed at the water-hexane interface. The result indicate that hexane interface undergo a solid-to-gas phase transition in which lower temperature solid monolayer breaks into domains at the same temperature as the kink in the interfacial tension curve.

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Phase studies by diffusive interfacial transport using near-infrared analysis for water (DIT-NIR)

Article Abstract:

The DIT-NIR method is described and peak-area data on the bend-stretch combination band of water are used to determine composition. Peak-area data are obtained by using Fourier transform near-infrared (FT-NIR) microspectroscopy.

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The "hidden" phase diagram of water + 3-methylpyridine at large absolute negative pressures

Article Abstract:

Phase transitions in nonpolymeric fluid mixtures at negative pressures are studied. The results reveal that there is an intimate relation between pressures and the isotopic content of the solvent.

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