Electrooxidation of thiourea and its square-wave voltammetric determination using pencil graphite electrode
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KünyeLevent, A., Keskin, E., Yardım, Y., Şentürk, Z. (2011). Electrooxidation of thiourea and its square-wave voltammetric determination using pencil graphite electrode. Reviews in Analytical Chemistry, 30 (1), pp. 45-51. https://doi.org/10.1515/revac.2011.005.
The electrochemical properties of thiourea (TU) were investigated in pH range 2.0-12.0 by cyclic and square-wave voltammetry. The compound was irreversibly oxidized at a pencil graphite electrode in one or two oxidation steps which are pH-dependent. Based on the voltammetric peak for the second oxidation process of TU in phosphate buffer at pH 12.0, a square-wave voltammetric method was proposed for the determination of the compound in the range 6.3-30μm, with a detection limit of 1.29μm. The applicability to direct assays of wastewaters was also tested.
KaynakReviews in Analytical Chemistry
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