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Phase equilibria and nonequilibrium structures in the sodium di-2-ethylhexyl phosphate-decane-water systemстатья
- Авторы: Yurtov E.V., Murashova N.M.
- Журнал: KOLLOIDNYI ZHURNAL
- Том: 66
- Номер: 5
- Год издания: 2004
- Первая страница: 702
- Последняя страница: 707
- Аннотация: Phase equilibria and nonequilibrium structures in the sodium di-2-ethylhexyl phosphate (NaSDEHP)-decane-water system were studied. It was found that, at a certain component ratio, a microemulsion and a liquid crystal phase are present in the system. The phase diagram was plotted, describing two- and three-phase equilibria: NaSDEHP and water solution in decane-microemulsion, microemulsion-liquid crystals, NaSDEHP and water solution in decane-microemulsion-liquid crystals, and NaSDEHP and water solution in decane-liquid crystals. The viscosity of NaSDEHP microemulsion was measured. It was shown that the viscosity increases significantly with an increase in the ratio of sodium hydroxide and di-2-ethylhexyl phosphoric acid molar concentrations from 0.6 to 1.0. Formation of the third liquid (microemulsion) phase in the vicinity of the oil-water interface was found upon the transfer of NaSDEHP from one phase to the other.
- Добавил в систему: Юртов Евгений Васильевич