Journal
EUROPEAN PHYSICAL JOURNAL E
Volume 3, Issue 2, Pages 143-148Publisher
SPRINGER
DOI: 10.1007/s101890070027
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We present and discuss experiments on bubble rise velocities performed in various solutions of surface-active molecules; we particularly focus our study on the role of bulk-surface exchanges. For proteins, the vanishing desorption limit (irreversible adsorption) can be achieved experimentally and measurements are found in quantitative agreement with the stagnant cap model. The opposite limit of fast exchange rates is obtained by using short alcohols that turn out to slightly influence bubble velocities; a surface remobilization at high concentrations has been evidenced with isopropyl alcohol.
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