Auto-Oscillation of Surface Tension: Effect of pH on Fatty Acid Systems
Source abstract
Abstract
Spontaneous nonlinear oscillations of surface tension produced by transfer of either octanoic or nonanoic acids from a droplet situated in the bulk water to the air/water interface are studied experimentally. It is shown that the oscillation amplitude decreases significantly with the increase of pH of aqueous phase. At pH > 6.5, detectable oscillations for the two fatty acids studied do not exist. The results are discussed in terms of the mechanism proposed recently for spontaneous oscillations produced by transfer of nonionic surfactants.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Surfactants and Colloidal Systems · Fluid Dynamics and Thin Films · Fluid Dynamics and Mixing
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute of Biocolloid Chemistry, 03142 Kyiv, Ukraine
Max-Planck Institute of Colloids and Interfaces, D-14424 Potsdam/Golm, Germany
References (29)
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