| Issue |
MATEC Web Conf.
Volume 197, 2018
The 3rd Annual Applied Science and Engineering Conference (AASEC 2018)
|
|
|---|---|---|
| Article Number | 05004 | |
| Number of page(s) | 5 | |
| Section | Chemistry | |
| DOI | https://doi.org/10.1051/matecconf/201819705004 | |
| Published online | 12 September 2018 | |
Cyclic voltammetry in electrochemical oxidation of amoxicillin with Co(III) as mediator in acidic medium using Pt, Pt/Co and Pt/Co(OH)2 electrodes
1
Bandung Institute of Technology, Analytical Chemical Department, Indonesia
2
Medan Institute of Technology, Electrical Engineering Department, Indonesia
* Corresponding author: herlina@itm.ac.id
Amoxicillin is one of penicillin antibiotic groups with active β-lactam which the presence in surface water and wastes not only affects water quality but also causes long-term adverse effects on ecosystems and human health due to their resistance to natural biodegradation. The processing of organic waste electrochemically has the advantages of cheap and efficient cost, waste gas that does not contain toxic and hazardous materials. Have been studied the process of amoxicillin electro-oxidation mediated by a cobalt (III) in a cyclic voltammetry study using a platinum, Pt/Co(OH)2 and Pt/Co as working electrodes in acidic medium HNO3 and H2SO4 as supporting electrolytes solution. The voltammogram of Pt, Pt/Co and Pt/Co(OH)2 electrodes showed that higher current was found in medium of HNO3 0.1 M and it can be used to oxidize the amoxicillin wastes, the two anodic and cathodic peaks can be observed at potential of 200-800 mV (vs Ag/AgCl). The presence of cobalt (III) ions in the system caused the decrease of oxidation current, indicated the presence of degradation to amoxicillin.
© The Authors, published by EDP Sciences, 2018
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