Selective Solid-Contact Electrodes for Detecting Ionogenic
Surface Active Substances

A. I. Kulapin, A. M. Mikhailova, and E. A. Materova*

Saratov State Technical University, Saratov, Russia

* Saratov State University, Universitetskaya 42, Saratov, 410601 Russia

Received April 29, 1997

Abstract—Electrochemical systems and active material compositions are proposed for solid-contact selective
sensors of surface-active substances (SAS). Physicochemical properties of the electrode-active compounds and
charge transfer across the interfaces and within the membrane are studied. The main electrochemical and work-
ing characteristics of SAS sensors are determined; their analytical potential is estimated.

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