Abstract
This paper surveys the phases for three systems:Co(AOT)2/iso-octane/water, Ni(AOT)2/iso-octane/water, andCu(AOT)2/iso-octane/water, over a wide region of the phasediagram prism (T = 5-80 °C; α = 0.50, 0.75,and 0.90; γ = 0.02-0.22). At low surfactant concentration,these systems present Winsor progressions (2̄Φ-3Φ-\\underline{2}Φ) without the addition of salt.We found a variety of phases at higher surfactant concentration:the one-phase microemulsion 1Φ, which is probablybicontinuous, and several examples of two coexisting phases:coloured transparent phases coexisting with a transparent or with anopaque birefringent phase, and transparent birefringent phasescoexisting with excess oil. Three coexisting phases where alsofound, where an iso-octane-rich phase is coexisting with a colouredisotropic transparent phase, and an opaque birefringent phase.
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