The thermodynamics of monolayer penetration at constant area: Part 1

Research output: Contribution to journalArticle

107 Citations (Scopus)

Abstract

The Gibbs adsorption isotherm is applied to the penetration of long-chain ionic molecules into an insoluble monolayer held at constant area at the air/water interface. Uncertainties arise in the calculation of the surface densities of the penetrating molecules. These uncertainties are due firstly to the possibility of ion exchange (surface hydrolysis), and secondly to the perturbation of the insoluble component and the introduction of assumptions as to the chemical potential of the insoluble component of the mixed film. These uncertainties are largely avoided with a condensed insoluble film spread on a solution containing excess neutral electrolyte. The theory is applied to the interaction of cholesterol monolayers with sodium dodecyl sulphate in solution.

Original languageEnglish (US)
Pages (from-to)1402-1411
Number of pages10
JournalTransactions of the Faraday Society
Volume51
DOIs
StatePublished - Jan 1 1955
Externally publishedYes

Fingerprint

Monolayers
penetration
Thermodynamics
thermodynamics
cholesterol
sodium sulfates
hydrolysis
molecules
isotherms
Molecules
Chemical potential
electrolytes
Adsorption isotherms
Sodium Dodecyl Sulfate
perturbation
Electrolytes
adsorption
Hydrolysis
air
Ion exchange

All Science Journal Classification (ASJC) codes

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

Cite this

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abstract = "The Gibbs adsorption isotherm is applied to the penetration of long-chain ionic molecules into an insoluble monolayer held at constant area at the air/water interface. Uncertainties arise in the calculation of the surface densities of the penetrating molecules. These uncertainties are due firstly to the possibility of ion exchange (surface hydrolysis), and secondly to the perturbation of the insoluble component and the introduction of assumptions as to the chemical potential of the insoluble component of the mixed film. These uncertainties are largely avoided with a condensed insoluble film spread on a solution containing excess neutral electrolyte. The theory is applied to the interaction of cholesterol monolayers with sodium dodecyl sulphate in solution.",
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The thermodynamics of monolayer penetration at constant area : Part 1. / Pethica, Brian Anthony.

In: Transactions of the Faraday Society, Vol. 51, 01.01.1955, p. 1402-1411.

Research output: Contribution to journalArticle

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