Abstract
The critical concentrations, α, corresponding more negative peaks and concentrations required to just to remove the less negative peak,β, have been determined for a number of organic compounds, known to give tensammetric peaks. It is concluded that the values of α andβ, thus obtained, can be used successfully for comparing the surface activity of a series of closely related organic compounds in aqueous solution. When peak potential of less cathodic surfactant is close to the potential of more cathodic surfactants (whose surface activities are to be compared), the comparison for surface activity cannot be made by this method.
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