Abstract
Non-polar oils and water can form thermodynamically stable quasi-homogeneous (colloidal) mixtures (called microemulsions) in the presence of relatively large amounts (several %) of ionic surfactants. If the surfactant contains a single hydrocarbon chain (e.g. Sodium Dodecyl Sulphate) the presence of a non-ionic cosurfactant (e.g. hexanol) and electrolyte (concentration of the
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