Volodymyr V. TKACH, Yana G. IVANUSHKO, Genílson R. SİLVA, Fauze J. ANAİSSİ, Svitlana M. LUKANOVA, Sílvio C. de OLİVEİRA, Petro I YAGODYNETS

Kobalt (III) Oksihidroksit Yardımıyla Fipronilin Elektrokimyasal Tespiti İçin Matematiksel Açıklama

Bu çalışmada, kobalt (III) oksihidroksit kullanılarak fipronil pestisidinin elektrokimyasal tespit olasılığı belirlenmiştir. Bu işlemde redoks çifti CoO(OH)/CoO2kullanılmıştır. Karşılık gelen matematiksel model, doğrusal kararlılık teorisi ve bifurkasyon analizi vasıtasıyla geliştirilmiş ve analiz edilmiştir. Oksihidroksidin, nötr ve hafif alkali ortamda fipronilin saptanmasında etkili bir elektrot değiştirici olarak uygulanabileceği gösterilmiştir. Elektrokimyasal cevabın açık ve kolay anlaşılır olduğu belirlenmiştir. Titreşimli ve monotonik istikrarsızlık olasılığı da çalışmada doğrulanmıştır.

Mathematical Description for Fipronil Electrochemical Detection Assisted by Cobalt (III) Oxyhydroxide

The possibility of fipronil pesticide electrochemical determination assisted by cobalt (III) oxyhydroxide was determined in this study. The redox pair CoO(OH)/CoO2 was used in this process. The correspondent mathematical model was developed and analyzed by means of linear stability theory and bifurcation analysis. It was shown that the oxyhydroxide may be applied as an efficient electrode modifier in the detection of fipronil in neutral and lightly alkaline media. Electrochemical response was clear and easy to interpret. The possibility of oscillatory and monotonic instabilities was also verified.

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