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Electrochemical determination of sulfide at high temperatures via its electrochemically initiated reaction with diethyl-p-phenylenediamine in dimethylformamide

Wildgoose, GG, Giovanelli, D, Klymenko, OV, Lawrence, NS, Jiang, L, Jones, TGJ and Compton, RG (2004) Electrochemical determination of sulfide at high temperatures via its electrochemically initiated reaction with diethyl-p-phenylenediamine in dimethylformamide Electroanalysis, 16 (5). pp. 337-344.

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Abstract

The electrochemical oxidation of DEPD proceeds via an ECrevECE mechanism in dimethylformamide. It has been investigated at elevated temperatures up to 130 °C at both micro and macro platinum and glassy carbon electrodes. Kinetic and thermodynamic parameters for the reaction process have been calculated for each temperature. Further, the voltammetric response of DEPD shows enhanced limiting currents in the presence of sulfide. The analytical utility of the approach has been investigated with linear range from 50 to 850 μM sulfide concentration observed and a corresponding limit of detection of 20 μM achievable at temperatures of 70 °C.

Item Type: Article
Authors :
NameEmailORCID
Wildgoose, GGUNSPECIFIEDUNSPECIFIED
Giovanelli, DUNSPECIFIEDUNSPECIFIED
Klymenko, OVo.klymenko@surrey.ac.ukUNSPECIFIED
Lawrence, NSUNSPECIFIEDUNSPECIFIED
Jiang, LUNSPECIFIEDUNSPECIFIED
Jones, TGJUNSPECIFIEDUNSPECIFIED
Compton, RGUNSPECIFIEDUNSPECIFIED
Date : 1 March 2004
Identification Number : https://doi.org/10.1002/elan.200302859
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:57
Last Modified : 17 May 2017 15:14
URI: http://epubs.surrey.ac.uk/id/eprint/840954

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