Polarographic determination of critical micelle concentration of anionic surfactants

Summary Critical micelle concentrations of four anionic surfactants were determined by DC polarographic desorption waves of the surfactants without supporting electrolyte. The linear plot obtained between the potentials of the desorption waves and the logarithmic concentrations of the surfactant had an inflection point which corresponded to the CMC. The CMC values obtained are in good agreement with those in the literature.

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Zusammenfassung Es wurden die kritischen Mizellbildungskonzentrationen (KMK) von anionischen Tensiden durch Gleichstrompolarographie in Abwesenheit von Leitelektrolyten bestimmt.