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

J. H. Brooks; B. A. Pethica

doi:10.1039/TF9646000208

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

J. H. Brooks, B. A. Pethica

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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 language	English (US)
Pages (from-to)	208-215
Number of pages	8
Journal	Transactions of the Faraday Society
Volume	60
DOIs	https://doi.org/10.1039/TF9646000208
State	Published - 1964
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Engineering
General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1039/TF9646000208

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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.",

author = "Brooks, {J. H.} and Pethica, {B. A.}",

year = "1964",

doi = "10.1039/TF9646000208",

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AU - Brooks, J. H.

AU - Pethica, B. A.

PY - 1964

Y1 - 1964

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AB - 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.

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

Abstract

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