Figure 1.
Pseudoternary phase diagrams of (a) oil (isopropyl myristate), surfactant (Tween 80/isopropyl alcohol, in 3 : 1 ratio), and aqueous phases and of (b) oil (oleic acid), surfactant (Tween 80/isopropyl alcohol, in 3 : 1 ratio) and aqueous phases. The shaded area signifies the microemulsion zone.