Surfactant ion electrode measurements of sodium alkylsulfate and alkyltrimethylammonium bromide micellar solutions

K. M. Kale, E. L. Cussler, D. F. Evans

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

EMF measurements in water at 25°C have been made using surfactant ion and counterion electrodes on two homologous series of long chain surfactants, the sodium alkylsulfates (R=n-C8H17 to n-C14H29) and the alkyltrimethylammonium bromides (R=C10H21 to C16H33). The data show evidence of association below the critical micelle concentration (CMC) but not of micelle ordering due to coulombic repulsion above this concentration.

Original languageEnglish (US)
Pages (from-to)581-592
Number of pages12
JournalJournal of Solution Chemistry
Volume11
Issue number8
DOIs
StatePublished - Aug 1 1982

Keywords

  • Surfactant ion-selective electrode
  • alkyltrimethylammonium bromides
  • critical micelle concentration
  • micelles
  • sodium alkylsulfates

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