Study of the Microheterogeneous Structure of γ-Picoline Aqueous Solutions near the Specific Point Using Dynamic Light Scattering and Laser Phase Microscopy

Low-concentration aqueous solutions of γ-picoline have been systematically investigated for the first time using dynamic light scattering and laser phase microscopy. Formation of nanosized scatterers with elevated γ-picoline concentration near the specific point of these solutions was established, and the temperature dynamics of the scatterer sizes was studied. The concentration of γ-picoline in these scatterers was estimated in phase microscopy and refractometry experiments. It is shown that the average scatterer size nonmonotonically depends on the solution temperature near the specific point, which is qualitatively explained by the processes of self-assembly in local nanoregions with elevated γ-picoline concentration.

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