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A new voltammetric sensor for the determination of sulfite in water and wastewater using modified-multiwall carbon nanotubes paste electrode
Authors: Ali A Ensafi, Hassan Karimi-Maleh, M Keyvanfard
Publication date: 2011/1/1
Journal name: International Journal of Environmental Analytical Chemistry
Pages: 1-11
Publisher: Taylor & Francis Group
The electrochemical response of a modified-carbon nanotubes paste electrode with p-
aminophenol was investigated as an electrochemical sensor for sulfite determination. The
electrochemical behaviour of sulfite was studied at the surface of the modified electrode in
aqueous media using cyclic voltammetry and square wave voltammetry. It has been found
that under the optimum condition (pH 7.0) in cyclic voltammetry, the oxidation of sulfite
occurs at a potential about 680 mV less positive than that of an unmodified-carbon ...
aminophenol was investigated as an electrochemical sensor for sulfite determination. The
electrochemical behaviour of sulfite was studied at the surface of the modified electrode in
aqueous media using cyclic voltammetry and square wave voltammetry. It has been found
that under the optimum condition (pH 7.0) in cyclic voltammetry, the oxidation of sulfite
occurs at a potential about 680 mV less positive than that of an unmodified-carbon ...
http://www.tandfonline.com/doi/abs/10.1080/03067319.2011.637198
Journal Papers
Month/Season:
January
Year:
2011