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South African Journal of Chemistry

On-line version ISSN 1996-840X
Print version ISSN 0379-4350


SHETTY, Prakash. Hydrazide Derivatives: An Overview of Their Inhibition Activity against Acid Corrosion of Mild Steel. S.Afr.j.chem. (Online) [online]. 2018, vol.71, pp.46-50. ISSN 1996-840X.

This paper gives an overview of the application of hydrazide derivatives in acid media as corrosion inhibitors of mild steel. In chemical and petrochemical industries, mild steel is the major constructional material widely used. Acid solutions have been commonly used in these industries as pickling agents to remove rust or any scale from the mild steel surface. The excessive dissolution of mild steel in such aggressive medium can be best controlled by addition of suitable organic inhibitors. Hydrazide derivatives are widely used in such applications as mild steel corrosion inhibitors. The various factors which influence the corrosion inhibition efficiency of different hydrazide derivatives have been discussed. The information provided is useful for various industries where corrosion inhibitors are needed to protect mild steel structures which are being exposed to hydrochloric or sulphuric acid solutions.

Keywords : Hydrazide derivatives; mild steel; acid media; corrosion inhibition; adsorption.

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