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The Phase Inversion Temperature of a reference C 10 E 4 /n-Octane/Water system exhibits a quasi-linear variation versus the mole fraction of a second surfactant S 2 added in the mixture. This variation was recently proposed as a classification tool to quantify the Hydrophilic–Lipophilic Balance (HLB) of commercial surfactants. The feasibility of the so-called PIT-slope method...
The modification of the phase inversion temperature (PIT) of C 10 E 4 /n-octane/water emulsions was studied as a function of increasing amounts of additional second surfactants in order to rank them according to their hydrophilic lipophilic balance. Twenty five surfactants, selected from a wide range of chemical families, were studied. Well-defined polyethoxylated alkyl surfactants...
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