Adsorption of fluids: simple theories for the density profile in a fluid near an adsorbing surface

1 January 1975

journal article
Published by Royal Society of Chemistry (RSC) in Faraday Discussions of the Chemical Society

Vol. 59, 38-45
https://doi.org/10.1039/dc9755900038

Abstract

Two simple theories of fluid adsorption are discussed. One starts from the first equation of the BBGKY-hierarchy whereas the other considers a reference system in which the fluid is bounded by a hard wall, and the attractive potential is added with a coupling parameter. For the latter theory numerical results are presented for the density profile and the integrated surface excess over a wide range of fluid densities. These results are compared with those of asymptotic theories. The problem of the density profile of the reference system is considered.

Keywords

FLUID
DENSITY PROFILE
SIMPLE THEORIES
ADSORBING
HIERARCHY
BBGKY
ASYMPTOTIC
HARD
EQUATION
ADSORPTION

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