Experimental verification of the theory of membrane potential for collodion membranes with asymmetric charge distribution.

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Abstract
The theory of asymmetric membrane potential is developed for a membrane system having a large asymmetric membrane charge distribution. The theory suggests that there are two kinds of typical asymmetric membrane potential profiles: (1) the membrane potential shows both a minimum and a maximum depending upon the bulk concentration, and (2) it shows either a minimum or a maximum. A parameter which represents the asymmetry of the distribution of the membrane charge density was introduced into the theory. A collodion membrane asymmetric with respect to the membrane charge density was prepared to experimentally check the validity of the theory. The experimental results were in agreement with the theory.

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