Abstract

A single nozzle piezoelectric inkjet device was introduced for polarography using a dropping carbon fluid electrode (DCFE). The viscosity of the carbon fluid prepared by mixing a spherical graphite powder and a perfluoroalkane oil was low enough for it to be ejected by the inkjet system. The periodic renewal of the DCFE was achieved at a frequency of 1 Hz with a constant droplet size (about 2 mm). A polarogram of ferrocenecarboxylate with a limiting current was observed.

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