Abstract
Abstract The use of liquid and poly(vinyl-chloride) membrane electrodes which are sensitive and reasonably selective for pentoxyverine determination is described here. The electrodes are based on the use of pentoxyverine-picrate, pentoxyverine-picrolonate and pentoxyverine-tetraphenylborate ion association complexes as electroactive materials in nitrobenzene or in poly(vinyl chloride) matrix. These electrodes show near Nernstian response values in different concentration ranges, depending on the nature of the used counter-ions, at 3.3–7.8 pH range. Potentiometric determination of pentoxyverine citrate with use of these electrodes gives good results which later on are compared with those obtained by non-aqueous titration.
Published Version
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