A new sensitive electrochemical assay of free sulfite in wine samples at a bare glassy carbon electrode is reported. The method is based on the titration of sulfite with Ellman's reagent using voltammetric detection of the final point. The electrochemical sensing protocol should facilitate rapid field screening of sulfite preservatives.
Determination of Sulfite in Wine by Linear Sweep Voltammetry / M. Scampicchio, N.S. Lawrence, A. Arecchi, S. Mannino. - In: ELECTROANALYSIS. - ISSN 1040-0397. - 20:4(2008), pp. 444-447. [10.1002/elan.200704070]
Determination of Sulfite in Wine by Linear Sweep Voltammetry
M. ScampicchioPrimo
;A. ArecchiPenultimo
;S. ManninoUltimo
2008
Abstract
A new sensitive electrochemical assay of free sulfite in wine samples at a bare glassy carbon electrode is reported. The method is based on the titration of sulfite with Ellman's reagent using voltammetric detection of the final point. The electrochemical sensing protocol should facilitate rapid field screening of sulfite preservatives.
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