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Vol.5 , No. 3, Publication Date: May 16, 2018, Page: 35-44
 at carbon paste electrode (CPE) was studied using cyclic and square wave voltammetry in presence of micellar medium. Different experimental parameters were studied like pH, different surface active agents and scan rates. Britton-Robinson buffer of pH 7, scan rate of 100 mV s<sup>-1</sup> and Triton were found to be the optimum conditions for this study based on the peak current. SRT was found to be oxidized irreversibly through a diffusion controlled process. Under the optimum conditions, a linear relationship response was obtained from 1.99 x 10<sup>-7</sup> to 1.38 x 10<sup>-5</sup> mol L<sup>-1</sup> with correlation coefficient of 0.9995, limit of detection of 2.23 x 10<sup>-8</sup> mol L<sup>-1</sup> and limit of quantification of 7.42 x 10<sup>-8</sup> mol L<sup>-1</sup>. The proposed method has been successfully applied to determine SRT in tablets as well as spiked urine.&picture=http://www.aascit.org/aascit/decorators/img/journal/905.jpg)
| [1] | Ali Kamal Attia, Department of Analytical Chemistry, National Organization for Drug Control and Research (NODCAR), Cairo, Egypt. |
| [2] | Noha Salem Rashed, Department of Analytical Chemistry, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt. |
| [3] | Omneya Ahmed Mohamed, Department of Analytical Chemistry, National Organization for Drug Control and Research (NODCAR), Cairo, Egypt. |
In this work, the electrochemical behavior of sertraline hydrochloride (SRT) at carbon paste electrode (CPE) was studied using cyclic and square wave voltammetry in presence of micellar medium. Different experimental parameters were studied like pH, different surface active agents and scan rates. Britton-Robinson buffer of pH 7, scan rate of 100 mV s-1 and Triton were found to be the optimum conditions for this study based on the peak current. SRT was found to be oxidized irreversibly through a diffusion controlled process. Under the optimum conditions, a linear relationship response was obtained from 1.99 x 10-7 to 1.38 x 10-5 mol L-1 with correlation coefficient of 0.9995, limit of detection of 2.23 x 10-8 mol L-1 and limit of quantification of 7.42 x 10-8 mol L-1. The proposed method has been successfully applied to determine SRT in tablets as well as spiked urine.
Keywords
Voltammetry, Sertraline Hydrochloride, Micellar Medium, Urine
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