Elimination Voltammetry of Miniaturized Mercury Drop Electrodes

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Authors

TRNKOVÁ Libuše NOVOTNÝ Ladislav SERRANO Nuria KLOSOVÁ Kateřina POLÁŠKOVÁ Petra

Year of publication 2010
Type Article in Periodical
Magazine / Source Electroanalysis
MU Faculty or unit

Faculty of Science

Citation
Field Physical chemistry and theoretical chemistry
Keywords Elimination voltammetry with linear scan (EVLS); Linear sweep voltammetry (LSV); Mini-drop electrodes; Cottrell equation; Spherical diffusion; Voltammetry; Hydrogen evolution
Description Elimination voltammetry with linear scan (EVLS) in connection with renewed mini- drop mercury electrodes provides valuable information about the character and kinetics of processes at electrode/electrolyte interfaces. Based on the experiment related to the hydrogen evolution, it is presented that the EVLS is more sensitive than other voltammetric methods. Using miniaturized mercury electrodes, the EVLS is capable of detecting the effect of spherical diffusion associated with both the scan rates and the size of an electrode drop.
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