The Scientific World Journal / 2012 / Article / Fig 3

Research Article

Critical Comparison between Modified Monier-Williams and Electrochemical Methods to Determine Sulfite in Aqueous Solutions

Figure 3

Differential pulse voltammetry profile of a gallic acid-sulfite mixture using standard addition method (ten 2-mL sulfite solution additions). Sulfite and gallic acid initial concentration 2 mM and 1 mM, respectively.

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