Simultaneous Electrochemical Determination of Paracetamol and Caffeine using Activated Glassy Carbon Electrode

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Feyisa Tilahun Yai; Kitte Shimeles Addisu; Yenealem Dereje; Gebretsadik Gebru

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Journal Paper

Paper Information

Journal: Analytical and Bioanalytical ElectroChemistry Year:2020 | Volume:12 | Issue:1 Page(s): 93-106

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Title

Simultaneous Electrochemical Determination of Paracetamol and Caffeine using Activated Glassy Carbon Electrode

Author(s)

Feyisa Tilahun Yai | Kitte Shimeles Addisu | Yenealem Dereje | Gebretsadik Gebru | Issue Writer Certificate

Keywords

Paracetamol

Caffeine

Activated Glassy Carbon Electrode

Electrochemical determination

Square wave voltammetry

Cyclic voltammetry

Abstract

Herein, we report simultaneous Electrochemical determination of Paracetamol (PAR) and Caffeine (CAF) at Activated Glassy Carbon Electrode (aGCE) using Cyclic voltammetry (CV) and Square wave voltammetry (SWV). Comparison was made for cyclic voltammetric response of PAR and CAF at bare glassy carbon electrode (bGCE) and aGCE in 0. 1 M phosphate buffer solution (PBS) of pH 7. 0. The experimental result showed that the redox process of PAR was both diffusion and adsorption controlled, whereas the oxidation reaction of CAF is diffusion controlled at aGCE. The aGCE showed a linear response to PAR in the concentration range of 10-180 μ M when the concentration of CAF was kept constant (25 μ M). Similarly, the linear range for CAF was from 10-95 μ M at a constant concentration of 10 μ M PAR. The detection limit (LOD) of PAR and CAF was found to be 2. 55 μ M, 2. 36 μ M (3σ /m), respectively. The validity of the demonstrated method was checked by using commercial tablet which contain different amount of PA and CAF and satisfactory percent recoveries were obtained.

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APA: Copy

Feyisa, Tilahun Yai, Kitte, Shimeles Addisu, Yenealem, Dereje, & Gebretsadik, Gebru. (2020). Simultaneous Electrochemical Determination of Paracetamol and Caffeine using Activated Glassy Carbon Electrode. ANALYTICAL & BIOANALYTICAL ELECTROCHEMISTRY, 12(1), 93-106. SID. https://sid.ir/paper/784252/en

Vancouver: Copy

Feyisa Tilahun Yai, Kitte Shimeles Addisu, Yenealem Dereje, Gebretsadik Gebru. Simultaneous Electrochemical Determination of Paracetamol and Caffeine using Activated Glassy Carbon Electrode. ANALYTICAL & BIOANALYTICAL ELECTROCHEMISTRY[Internet]. 2020;12(1):93-106. Available from: https://sid.ir/paper/784252/en

IEEE: Copy

Tilahun Yai Feyisa, Shimeles Addisu Kitte, Dereje Yenealem, and Gebru Gebretsadik, “Simultaneous Electrochemical Determination of Paracetamol and Caffeine using Activated Glassy Carbon Electrode,” ANALYTICAL & BIOANALYTICAL ELECTROCHEMISTRY, vol. 12, no. 1, pp. 93–106, 2020, [Online]. Available: https://sid.ir/paper/784252/en

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