| Title |
Rapid and inexpensive method for bisphenol a detection in water samples based on alkaline activated fly ash modified carbon paste electrode |
| ID_Doc |
12477 |
| Authors |
Ghanjaoui, ME; Esserrar, S; Salmi, M; Talhajt, SA; Salhi, A; El Krati, M; El Ghachtouli, S; Tahiri, S |
| Title |
Rapid and inexpensive method for bisphenol a detection in water samples based on alkaline activated fly ash modified carbon paste electrode |
| Year |
2024 |
| Published |
Journal Of Applied Electrochemistry, 54.0, 9 |
| DOI |
10.1007/s10800-024-02082-3 |
| Abstract |
Fly ash, poses environmental risks if not managed responsibly, potentially causing soil, air, and water pollution. However, within a circular economy framework, the reuse of fly ash can mitigate these issues. In this investigation, fly ash (FA) sourced from thermal power plants has been employed following alkaline activation to improve the activity of carbon paste electrode (CPE) toward the detection of bisphenol A (BPA). The initial phase involved characterizing both FA and the modified FA (MFA) using scanning electron microscopy (SEM), X-ray Fluorescence (XRD), and X-ray diffraction (XRD) techniques. Afterwards, the cost-effective electrochemical sensor (MFA/CPE) was utilized for the bisphenol A (BPA) detection in water samples. Several parameters influencing the anodic striping voltammetric (ASV) response of BPA have been carefully optimized. In particular the MFA/CPE ratio, the pH of the medium as well as the time and the deposition potential. The optimum amount of activated FA (MFA) used in carbon paste modification, exhibiting the best electrocatalytic activity for BPA oxidation, was 2.5%. Under optimal experimental conditions, the calibration plot exhibits linearity within the concentration range of 2.5 to 125 mu M. Furthermore, the developed sensor demonstrated low detection limits of 0.31 mu M and quantification capability at approximately 1.02 mu M, improving its sensitivity for the detection of BPA. Interference experiments show that Hydroquinone (HQ) and Catechol (CC) do not exert any impact on the accuracy of BPA determination. |
| Author Keywords |
Fly ash; Bisphenol A; Electrochemical sensor; ASV; Water samples |
| Index Keywords |
Index Keywords |
| Document Type |
Other |
| Open Access |
Open Access |
| Source |
Science Citation Index Expanded (SCI-EXPANDED) |
| EID |
WOS:001173130100003 |
| WoS Category |
Electrochemistry |
| Research Area |
Electrochemistry |
| PDF |
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