In this paper, a novel spectroelectrochemical method involving transmission spectroscopy parallel to an electrode surface, in combination with chronoamperometry and linear-sweep voltammetry, is described and assessed.
Experimental ApparatusAn ultravioletvisible spectrometer was constructed from the appropriate components. The cell and electrode assembly consisted of a 2-cm silica cell containing two platinum-plate electrodes mounted horizontally. The cell was fitted with an inlet for oxygen-free nitrogen, a salt bridge (for connection with a saturated calomel reference electrode) and an outlet to remove solutions by suction. A potentiostatic waveform generator was used as a potential source.
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