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Electrochemical Characterization of Cellulose Acetate/Chitosan Membrane in
Presence and Absence of Nonionic Surfactant in Monovalent Electrolytic Solution

The influence of surfactant on cellulose acetate/chitosan membrane has been investigated. A basic
approach to cellulose acetate/chitosan membrane is also mentioned. Nonionic surfactants are disrupted
the normal permeability of the characteristic membrane. Electrochemical characterization such as
conductance, flow, flux and permeability are measured in various concentrations of the electrolyte
and surfactants. Membrane potential is determined by the combination of the properties of ions of the
electrolyte, surfactant and membrane. The synthesized membrane was found to be cation selective
with measured membrane potential found to be negative in all cases. The value of membrane potential
was varying in different concentration of the electrolyte and surfactant. The Teorell Meyer and Sievers
(TMS) theoretical method was employed for calculating the Transport number, perm selectivity and
fixed charge density of the membrane by using the data of membrane potential across normal and
surfactant modified membrane with electrolytic solution of NaCl. The variation of fixed density and
perm selectivity also depends on the concentration of the electrolyte and surfactant (Tween 20 and
Tween 60).