Research Article

Development and Evaluation of Solbrax-Water Nanoemulsions for Removal of Oil from Sand

Figure 4

Particle size distribution of emulsions as a function of preparation time, using a 20 wt% Solbrax and different concentrations of surfactant: (a) 10 wt% and (b) 12 wt%.
723789.fig.004a
(a)
723789.fig.004b
(b)