Research Article

Improved Synthesis of Nanosized Silica in Water-in-Oil Microemulsions

Figure 7

Fragment of pseudoternary diagram for water/heptane-2-ethylhexanol (1 : 1, w/w)/Tween 85 system. Green points: isotropic systems, red points: two-phase system, and yellow points: turbid solution (%), but aqueous phase did not separate after 1 h.