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Purpose
The purpose of this paper is to make people aware of organic corrosion inhibitors.
Design/methodology/approach
As it is a literature review paper, no specific method is used.
Findings
It has been found that plant extracts and oils show inhibition efficiency up to 98 percent, so it is certain that plant extracts and oils are effective corrosion inhibitors and can be successfully used at the industrial level.
Research limitations/implications
Plant extracts and oils are also found to be non‐toxic, highly efficient, renewable and cheap. But less effort has been given towards the identification of which compound is active in the extract.
Originality/value
The paper shows detailed account of the inhibitors obtained from plants, which are used as natural corrosion inhibitors.
© Emerald Group Publishing Limited
2011
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