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Analysis of Ethanol Using Copper and Nickel Sheet Electrodes by Cyclic Voltammetry.

Riyanto, and Mohamed Rozali Othman, and Jumat Salimon, (2007) Analysis of Ethanol Using Copper and Nickel Sheet Electrodes by Cyclic Voltammetry. Malaysian Journal of Analytical Sciences, 11 (2). pp. 379-387. ISSN 13942506

Full text not available from this repository.

Official URL: http://pkukmweb.ukm.my/~mjas/v11_n2/Rozali.pdf

Affiliations

Universiti Kebangsaan Malaysia, Faculty of Sciences and Technology, Centre for Chemical Sciences and Food Technology Studies

Abstract

Analysis of ethanol using copper and nickel sheet electrodes by cyclic voltammetry (CV) method has been carried out. The linear correlations between ethanol concentrations with current density were recorded for both electrodes. The results, of the study showed that the correlation coefficient using Cu electrode was r = 0.9957 and limit of detection of 0.5% (v/v) comparatively, by Ni electrode the correlation coefficient of obtained r = 0.9956 with the same limit of detection with Cuelectrode. As a conclusion, it can be made that Cu electrode was a better electrode compared to Ni electrode for analyzing of
ethanol using CV method, however it was observed that Cu electrode was easily oxidized by the formation of metal oxide on the electrode surface compared to Ni electrode.


Satu kajian analisis etanol menggunakan elektrod kepingan kuprum dan nikel menggunakan kaedah voltammetri berkitar
(CV) telah dijalankan. Hubungan linear antara kepekatan etanol dengan ketumpatan arus telah direkodkan untuk kedua-dua elektrod. Hasil kajian menunjukkan bahawa pekali korelasi daripada graf tentukuran menggunakan elektrod Cu ialah r =0.9957 dengan had pengesanan 0.5% (v/v) berbanding dengan elektrod Ni dengan pekali korelasi ialah r = 0.9956 dan had pengesanan sama dengan elektrod Cu. Kesimpulannya, elektrod Cu lebih baik berbanding elektrod Ni untuk analisis etanol menggunakan kaedah CV. Walau bagaimanapun, hasil kajian menunjukkan bahawa elektrod Cu lebih mudah mengalami proses pengoksidaan dalam larutan alkali dan membentuk sebatian logam oksida di permukaan elektrod berbanding elektrod Ni.

Item Type:Journal
Additional Information:This research was supported by Universitas Islam Indonesia (UII) for the financial support and Universiti Kebangsaan Malaysia (UKM) for the financial research grant through the projects code ST-005-2005.
Keywords:Analysis of ethanol, copper and nickel sheet electrodes, cyclic voltammetry
Subjects:Q Science
ID Code:994

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