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Penetration — a comparison of various models

✍ Scribed by S. Siegel; D. Vollhardt

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
374 KB
Volume
76
Category
Article
ISSN
0927-7757

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✦ Synopsis

Equilibrium penetration

has been studied for the sodium dodecyl sulphateeoctadecanol system. The surface composition has been calculated in terms of the monolayer density and the surfactant concentration on the basis of three different penetration models. The results have been compared and discussed. The model with least approximation does not consider the area covered by the monolayer molecules. By introducing a geometrical factor the equation obtained has a wide range of validity, thus allowing good estimation of the surface composition.

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