Properties of ionized monolayers. Part 6. - Film pressures for ionized spread monolayers at the heptane/water interface

J. H. Brooks, B. A. Pethica

Research output: Contribution to journalArticle

51 Scopus citations

Abstract

A new interfacial film balance is described. The instrument permits rigorous cleaning of the interface and compression of a spread monolayer. Film pressure/area relations for spread monolayers of sodium octadecyl sulphate, octadecyl and docosyl trimethylammonium bromides and an equimolecular mixture of sodium octadecyl sulphate and octadecyl trimethylammonium bromide are given for the interface between n-heptane and aqueous NaCl solutions at 20°C. The phase transition observed in the mixed monolayers is accounted for in terms of a simple discrete-charge model.

Original languageEnglish (US)
Pages (from-to)208-215
Number of pages8
JournalTransactions of the Faraday Society
Volume60
DOIs
StatePublished - Jan 1 1964
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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