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Determination of phase equilibrium of the dodecyl sulfate(SDS, 151-21-3)/ n-pentanol/ water ternary system

The phase equilibrium of the dodecyl sulfate(SDS, 151-21-3) / n-pentanol / water ternary system was determined at 25 °C, and the boundary of the liquid crystal region was determined. 

A series of sample points were selected in the liquid crystal region, DSC and liquid crystal texture were used to study the liquid crystal structure of the system. The results show that there are two liquid crystal regions at constant temperature, and the liquid crystal structure changes with the increase of water content. When the composition is fixed, the structure of the liquid crystal phase with the temperature also changes.



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