Sensitive Electrochemical Determination of Trifluralin at a Disposable Pencil Graphite Electrode
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CitationGege, Ü., Karakaya, S., & Dilgin, Y. (2021). Sensitive Electrochemical Determination of Trifluralin at a Disposable Pencil Graphite Electrode. Electroanalysis, 33(6), 1547–1556. https://doi.org/10.1002/elan.202060618
A sensitive differential pulse (DP) voltammetric method has been proposed for the determination of trifluralin (TFA) based on both its reduction and oxidation at a disposable pencil graphite electrode (PGE). DP voltammograms recorded under optimized conditions show that oxidation and reduction peak currents increased linearly in the range from 1.0 to 75.0 mu M and from 0.50 to 100.0 mu M TFA, respectively. LOD and sensitivity values have been determined as 0.39 mu M and 11170 mu A mM(-1) cm(-2) for oxidation and as 0.20 mu M and 22167 mu A mM(-1) cm(-2) for reduction. The acceptable recovery values (95.2-104.8 %) were obtained from real water samples.