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Nano-scale structure of crude oil deposits on water-wet substrates: Dependence on aqueous phase and organic solvents

Lebedeva, Evgenia; Fogden, Andrew


Wettability alteration of glass substrates due to displacement of the surrounding salt solution by crude oil, and its reversal via salt solution flooding, were investigated as a function of salt concentration and solution pH, and the sample preparation procedure. The resulting wettability states were analyzed by microscopy of the substrate-bound oil residues and contact angle goniometry. Atomic force microscopy of the flooded state under its salt solution showed partial coverage of the...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Colloids and Surfaces A: Physicochemical and Engineering Aspects
DOI: 10.1016/j.colsurfa.2011.02.053


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