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Electrochemical determination of diclofenac using boron-doped diamond electrode
Date issued
2012
Author(s)
Abstract
The electrochemical behavior of sodium diclofenac (DCF) was investigated on boron doped diamond (BDD) electrode in 0.1 M Na2SO4 supporting electrolyte. The oxidation process,
kinetics, and useful parameters for DCF detection were studied by cyclic voltammetry (CV) technique.
The oxidation peak at about +0.7 v/sce was selected for amperometric/voltammetric detection of
DCF. The linear dependences of the current versus DCF concentrations were reached for the concentration range between 0.31 and 31.1 µM by using cv, chronoamperometry (CA), square-wave
voltammetry (SWV) and differential-pulsed voltammetry (DPV). The sensitive, simple and time saving voltammetric procedure was developed, optimized and tested on spiked tap water sample.
kinetics, and useful parameters for DCF detection were studied by cyclic voltammetry (CV) technique.
The oxidation peak at about +0.7 v/sce was selected for amperometric/voltammetric detection of
DCF. The linear dependences of the current versus DCF concentrations were reached for the concentration range between 0.31 and 31.1 µM by using cv, chronoamperometry (CA), square-wave
voltammetry (SWV) and differential-pulsed voltammetry (DPV). The sensitive, simple and time saving voltammetric procedure was developed, optimized and tested on spiked tap water sample.
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