SMALL-ANGLE X-RAY SCATTERING OF THE GADOLINIUM TRIACETATE-UNDECANE-WATER SYSTEM
Yu. A. Mirgorod
South West State University, Kursk, Russia
Keywords: малоугловое рентгеновское рассеяние, триацетат гадолиния, ундекан, вода, гидротропы, ламеллярные мицеллы, критический параметр упаковки, кооперативный эффект, small-angle X-ray scattering, gadolinium triacetate, undecane, water, hydrotropes, lamellar micelles, critical packing parameter, cooperative effect
Abstract
By small-angle X-ray scattering a gadolinium triacetate-undecane-water system is studied at hydrotrope concentrations of 0.05-0.5 М on the line of saturation with undecane at 298 K. In the ternary system mixed hydrotrope/undecane lamellar micelles form with lateral dimensions of hydrophilic and hydrophobic plates of 0.4 nm. It is shown that the Gibbs energy of the hydrophobic interaction and the micelle shape are determined by a joint (cooperative) effect of the hydrotrope and hydrocarbon on water.
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