INTERFACIAL MICELLIZATION OF TRITON X-100 AT THE HG ELECTROLYTE SOLUTION INTERPHASE SOLVENT EFFECT/

The micellization process of TX-100 was studied in water, formamide, e thylene glycol, formic acid, methanol and ethanol in the presence of 0 .1 M NaClO4 as supporting electrolyte. The critical micelle concentrat ions (cmc) were obtained from surface tension and light scattering mea surements. The micellization process was detected in three solvents: w ater, formamide and ethylene glycol. In all systems studied the measur ements of differential capacity at the mercury electrode were also car ried out at various concentrations of TX-100. From the C-E curves anal ysis it was deduced that TX-100 forms hemimicelles on the mercury surf ace in the wide range of the potential which depends on the solvent. I n contrast to several surfactants, the surface aggregates of TX-100 do not collapse to a compact layer but are stable over an extended poten tial range, forming two micellar phases.