Title
Dynamic surface tension of micellar Triton X-100 solutions by the maximum-bubble-pressure method
Author
Faculty/Department
Faculty of Sciences. Chemistry
Publication type
article
Publication
New York, N.Y. ,
Subject
Chemistry
Source (journal)
Journal of colloid and interface science. - New York, N.Y.
Volume/pages
166(1994) :1 , p. 6-13
ISSN
0021-9797
ISI
A1994NX81500002
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The dynamic maximum-bubble-pressure method was used to measure the dynamic surface tension of Triton X-100 solutions (at the CMC and at concentrations above the CMC). Measurements were performed at 30.0, 40.0, 50.0, and 60.0-degrees-C. The results at 30.0-degrees-C are in excellent agreement with the data obtained through other methods (oscillating jet and inclined plate). The demicellization rate constant is obtained according to a method previously described. It is found that this demicellization rate constant depends strongly on the surfactant concentration, in agreement with a previous investigation, using oscillating jet and inclined plate techniques. It is also found that this rate constant is nearly independent of the temperature, pointing to an entropic effect. (C) 1994 Academic Press, Inc.
E-info
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