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|Title:||An insight into the adsorption and electrochemical processes occurring during the analysis of copper and lead in wines, using an electrochemical quartz crystal nanobalance|
Oliveira, João A. B. P.
Duarte, Armando C.
Gomes, M. Teresa S. R.
|Keywords:||Electrochemical quartz crystal nanobalance|
|Abstract:||Copper and lead in wine were quantified by anodic stripping voltammetry (ASV), performed onto the gold electrode of a piezoelectric quartz crystal. Both current or mass changes could be used as analytical signals, without a statistical difference in the results (α=0.05). However, the plot of mass vs. potential provided an in depth understanding of the electrochemical processes and allowed studying adsorption phenomena. Copper interaction with fructose is an example of a process which was not possible to ignore by observing the mass change on the gold electrode of the piezoelectric quartz crystal.|
|Appears in Collections:||CESAM - Artigos|
DQ - Artigos
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|Yamasaki et al. - 2012 - An insight into the adsorption and electrochemical.pdf||397.98 kB||Adobe PDF|
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