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It was shown the possibility to determine simultaneously the concentration of Zn and Cu in aqueous solution by Anodic Stripping Voltammetry Square Wave (SWASV) by in situ formation of a bismuth film electrode (BiFE) on a glassy carbon electrode. The BiFE is generated in situ by simultaneous deposition of bismuth and metals to analysis to a reduction potential of −1.4 V on a glassy carbon electrode as substrate. After the formation of the BiFE and the deposition of metals to be analyzed and by an oxidation scanning between −1.4 and 0.2 V in square wave voltammetry mode, were able to determine the relationship between oxidation signals in −0.95 and −0.01 V assigned to Zn and Cu respectively with solution concentration for each of these. The deposition parameters as well as those of the voltammetry, were studied to optimize

Determinación simultánea de Cu, Zn y Sn mediante voltametría de stripping anódico utilizando electrodo de película de Bismuto