The inhibition of corrosion of mild steel by some fluoroquinolones in sodium chloride solution

Acharya, S. and Upadhyay, S. N. (2004) The inhibition of corrosion of mild steel by some fluoroquinolones in sodium chloride solution. Transactions of The Indian Institute of Metals, 57 3: 297-306.


Author Acharya, S.
Upadhyay, S. N.
Title The inhibition of corrosion of mild steel by some fluoroquinolones in sodium chloride solution
Journal name Transactions of The Indian Institute of Metals
ISSN 0019-493X
0975-1645
Publication date 2004-06
Sub-type Article (original research)
Volume 57
Issue 3
Start page 297
End page 306
Total pages 10
Place of publication Kolkata, India
Publisher Indian Institute of Metals
Language eng
Subject 0914 Resources Engineering and Extractive Metallurgy
Abstract The corrosion inhibition of mild steel in 3.4% sodium chloride solution containing various concentration of inhibitors such as, ofloxacin, amifloxacin, enofloxacin, pfloxacin, ciprofloxacin and norfloxacin has been investigated. The inhibition efficiency has been evaluated by weight loss and electrochemical polarisation techniques. Morphology of the mild steel specimens were examined using scanning electron microscopy in presence and absence of inhibitors. The inhibition efficiency increased with increasing concentration of inhibitors. At the cocentration of 40 ppm, the inhibition efficiency for mild steel is in the following order : Ofloxacin > amifloxacin > enofloxacin > pfloxacin > ciprofloxacin > norfloxacin. It shows that water soluble thin film of inhibitor is formed on the surface by a surface reaction of metal ion of specimen with adsorbed inhibitor molecules and that film act as a protective barrier against corrosive environment.
Keyword Acid
Q-Index Code C1
Additional Notes Published as "Technical Note TN-8"

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
School of Chemical Engineering Publications
 
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