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Determination of some pharmaceuticals using simple potentiometric sensors of coated-wire type

Bestimmung einiger Arzneimittel mit Hilfe einfacher potentiometrischer Sensoren

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Summary

The preparation of simple potentiometric sensors of the coated-wire type is described and working instructions for their use are given. The sensors prepared from an ordinary aluminium conductor, being simple and cheap, can well serve to monitore the titrations based on ion-pair formation. The application possibilities are discussed and shown as practical examples on analyses of nasal and eye drops containing cationic surfactants or salts of alkaloids.

Zusammenfassung

Die Herstellung einfacher potentiometrischer Sensoren mit isoliertem Draht und deren Verwendung wurde beschrieben. Aus einfachem Aluminiumdraht sind sie billig und können für Titrationen auf der Grundlage von Ionenpaar-Bildung dienen. Die Möglichkeiten ihrer Anwendung wurden erörtert und praktiziert für die Untersuchung von Nasen- und Augentropfen mit kationischen Schaumbildnern oder von Alkaloidsalzen.

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Vytřas, K. Determination of some pharmaceuticals using simple potentiometric sensors of coated-wire type. Mikrochim Acta 84, 139–148 (1984). https://doi.org/10.1007/BF01204165

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