Simultaneous evaluation of the dissociated and undissociated acid concentrations by square wave voltammetry using microelectrodes
M Matos, C Canhoto, MF Bento, MD Geraldo - Journal of Electroanalytical …, 2010 - Elsevier
The square wave voltammetric response of the reduction of acids of different strength
namely, hydrochloric acid, phosphoric acid, lactic acid, acetic acid and sodium
dihydrogenophosphate at a platinum microdisk electrode are presented. The
voltammograms of HCl and H2PO4-display a single peak which height increased linearly
with concentration. The acids of intermediary strength exhibit voltammograms resulting from
the overlapping of two peaks that are assigned to the reduction of hydrogen ions (H+) and of …
namely, hydrochloric acid, phosphoric acid, lactic acid, acetic acid and sodium
dihydrogenophosphate at a platinum microdisk electrode are presented. The
voltammograms of HCl and H2PO4-display a single peak which height increased linearly
with concentration. The acids of intermediary strength exhibit voltammograms resulting from
the overlapping of two peaks that are assigned to the reduction of hydrogen ions (H+) and of …
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