Ibuprofen as a corrosion inhibitor for copper in synthetic acid rain solution

It is known that if unused drugs are improperly disposed, they can pollute the environment. Furthermore, researchers are still trying to find an environmentally friendly corrosion inhibitor. These factors lead to the possible application of unused pharmaceutical compounds as corrosion inhibitors. Th...

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Bibliographic Details
Published in:Scientific reports 2019-10, Vol.9 (1), p.14710-14, Article 14710
Main Authors: Tasić, Zaklina Z., Mihajlović, Marija B. Petrović, Simonović, Ana T., Radovanović, Milan B., Antonijević, Milan M.
Format: Article
Language:English
Subjects:
119/118
639/301/1023/1026
704/172/4081
Acid Rain
Adsorption
Analgesics
Copper
Copper - chemistry
Corrosion
Corrosion inhibitors
Dielectric Spectroscopy
Electrochemistry
Environmental Pollution
Humanities and Social Sciences
Ibuprofen
Ibuprofen - chemistry
Inflammation
Microscopy, Electron, Scanning
multidisciplinary
Nonsteroidal anti-inflammatory drugs
Rain
Scanning electron microscopy
Science
Science (multidisciplinary)
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Summary:It is known that if unused drugs are improperly disposed, they can pollute the environment. Furthermore, researchers are still trying to find an environmentally friendly corrosion inhibitor. These factors lead to the possible application of unused pharmaceutical compounds as corrosion inhibitors. The feasibility of an anti-inflammatory, analgesic and antipyretic drug, ibuprofen, was evaluated as a potential copper corrosion inhibitor in synthetic acid rain solution. This investigation was performed by applying electrochemical and weight loss measurements and quantum chemical calculations. The results obtained by these techniques revealed the ability of ibuprofen to protect copper from corrosion. The inhibition efficiency of ibuprofen rises with increase in its concentration and can reach a value of 97.3%. The results of surface analysis of treated coupons by scanning electron microscopy and theoretical calculations are consistent with the experimental results.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-019-51299-2