Phenomena at hot-wire electrodes
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An overview is given describing phenomena at heated microelectrodes where matter and heat energy are simultaneously emitted into the solution. With controlled electric heating, virtual “quiescent” periods as well as ones with constant streaming conditions are found that depend on the heating time. A close look at a permanently heated wire reveals a well defined structure with stationary concentration, temperature and flow rate profiles. The observed phenomena can be utilised for analytical measurements, e.g. with the novel method “Temperature Pulse Voltammetry” (TPV).
KeywordsAnalytical Measurement Heat Energy Stationary Concentration Heating Time Electric Heating
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