Abstract
The effect of the concentration of sodium di-(2-ethylhexyl) sulfosuccinate (AOT) on the volume and transport properties of the AOT/n-heptane/dimethylsulfoxide-water reverse micellar systems at different sulfoxide to water volume ratios, constant degree of AOT hydration R = 10, and temperatures of 298.15–313.15 K was studied by densimetry and viscosimetry. The apparent volumes of the polar phases and the volume fractions of micelles were calculated using the densities of these systems. In the presence of dimethylsulfoxide, an increase in its concentration led to an increase in the apparent volume of the polar phase; an increase in the AOT concentration at increased viscosity of the system led to a decrease in the apparent volume of the micellar nucleus.
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Original Russian Text © Sh.A. Markaryan, A.R. Sarkisyan, G.A. Shaginyan, 2015, published in Zhurnal Fizicheskoi Khimii, 2015, Vol. 89, No. 10, pp. 1606–1611.
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Markaryan, S.A., Sarkisyan, A.R. & Shaginyan, G.A. Effect of the dioctyl sodium sulfosuccinate (AOT) concentration on the properties of the AOT-n-heptane-DMSO-water micellar system. Russ. J. Phys. Chem. 89, 1808–1813 (2015). https://doi.org/10.1134/S003602441509023X
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DOI: https://doi.org/10.1134/S003602441509023X