Abstract
It was found that electroanalytical properties of nonionic surfactant-selective membranes are determined by the stability, composition, solubility, and degree of dissociation of a metal-polyethoxylate-tetraphenylborate ionophore. The main trends in the potential formation in nonionic surfactant-selective electrodes were revealed based on the data on the dynamic, transport, and electrode properties of membranes. The main charge carriers at the membrane-solution interface and in the membrane phase were found. New, original, rapid, and selective methods were developed for determining nonionic surfactants in environmental samples and industrial compositions, for the separate determination of nonionic surfactants and polyethylene glycols, and for the determination of the average number of ethoxy groups in industrial samples of nonionic surfactants.
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