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Electrochemical Characterization of Graphite-Zero-Valent Iron for 3-Monochloropropane-1,2-Diol (3-MCPD) Detection

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Abstract:

This study aims to investigate the feasibility of modifying graphite electrode with zero-valent iron (ZVI) to electrochemically detect the presence of 3-MCPD using two (2) deposition methods, namely dip coating and drop casting. Both methods were tested against in situ and ex situ ZVI formation method. Results showed that ex situ ZVI formation using drop casting method onto graphite electrode showed highest peak current when tested using cyclic voltammetry (CV). Results also showed that the 3-MCPD presence was detected at potential range of-25 mV to 45 mV due to the sudden spike in electrical current when tested using CV mode. The impact of this study is to provide a basis for further investigation of 3-MCPD detection in palm oil using electrochemical method due to its simplicity for the development of a portable, fast and reliable 3-MCPD sensor.

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Periodical:

Materials Science Forum (Volume 1025)

Pages:

20-25

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.1025.20

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Online since:

March 2021

Authors:

Farrah Aida Arris, Wan Nabilah Manan, Hatika Kaco, Ahmad Hakimi Shaffie, Mohd Shaiful Sajab*

Keywords:

3-MCPD Detection, Cyclic Voltammetry, Palm Oil Contaminant, Zero-Valent Iron

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© 2021 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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