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Volumetric properties of water/AOT/isooctane microemulsions. | LitMetric

Volumetric properties of water/AOT/isooctane microemulsions.

Langmuir

School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China.

Published: December 2014

The densities of AOT/isooctane micelles and water/AOT/isooctane microemulsions with the molar ratios R of water to AOT being 2, 8, 10, 12, 16, 18, 20, 25, 30, and 40 were measured at 303.15 K. The apparent specific volumes of AOT and the quasi-component water/AOT at various concentrations were calculated and used to estimate the volumetric properties of AOT and water in the droplets and in the continuous oil phase, to discuss the interaction between the droplets, and to determine the critical micelle concentration and the critical microemulsion concentrations. A thermodynamic model was proposed to analysis the stability boundary of the microemulsion droplets, which confirms the maximum value of R being about 65 for the stable AOT/water/isooctane microemulsion droplets.

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Source
http://dx.doi.org/10.1021/la5041344DOI Listing

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