Determination of sulfite in wine by linear sweep voltammetry

被引：34
|
作者：
Scampicchio, Matteo [1 ]
Lawrence, Nathan S. [2 ]
Arecchi, Alessandra [1 ]
Mannino, Saverio [1 ]
机构：
[1] Univ Milan, Dept Food Sci & Technol, I-20133 Milan, Italy
[2] Schlumberger Cambridge Res Ltd, Cambridge CB3 0EL, England
来源：
ELECTROANALYSIS | 2008年 / 20卷 / 04期
关键词：
DTNB; Ellman reagents; sulfite; wine; linear sweep voltammetry;
D O I：
10.1002/elan.200704070
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
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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页码：444 / 447
页数：4
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