Abstract
The composition, oil type, and thermodynamic parameters influence the water solubilization capacity, particle size distribution, surface tension, and also the structural parameters of microemulsion systems. In the present study sodium lauryl sulfate (SLS) and hexadecyltrimethylammonium bromide (HTAB) have been used as surfactants and 3-methyl-1-butanol as cosurfactant to prepare microemulsions. Four n-alkanes (hexane, heptane, decane, and dodecane) were chosen as oil phases. Water solubilization capacities of anionic (SLS) and cationic (HTAB) microemulsions were investigated in both the presence and the absence of NaCl salt. A detailed study of particle size analysis for both the surfactants with different composition has been made from laser light scattering measurement. Surface tensions of microemulsions and surfactant solutions were also measured for investigation of their surface activities. Surface tensions have been reduced remarkably in the case of microemulsion systems compared to simple aqueous s...
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