RT Journal Article
T1 Effect of an ac perturbation on the electroosmotic behavior of a cation-exchange membrane. Influence of the cation nature
A1 Barragán García, Vicenta María
A1 Ruiz Bauzá, Carlos
AB The effect of an ac sinusoidal perturbation of known amplitude and frequency superimposed on the usual dc applied electric voltage difference on the electroosmotic flow through a typical cation-exchange membrane has been studied using different monovalent electrolytes. As a general trend, the presence of the ac perturbation increases the value of the electroosmotic flow with respect to the value in the absence of ac perturbation. A dispersion of the electroosmotic permeability on the frequency of the applied ac signal has been found for the three studied electrolytes, observing that the electroosmotic permeability reaches maximum values for some characteristic values of the frequency. This behavior may be related to the different relaxation processes in heterogeneous mediums.
PB Academic Press Inc Elsevier Science
SN 0021-9797
YR 2001
FD 2001-08-01
LK https://hdl.handle.net/20.500.14352/58424
UL https://hdl.handle.net/20.500.14352/58424
LA eng
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NO © 2001 by Academic Press. Financial support from the University Complutense of Madrid under ProjectPR49/98-7756 is gratefully acknowledged.
NO Universidad Complutense de Madrid
DS Docta Complutense
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