Experimental and theoretical studies on mild steel corrosion inhibition by the grieseofulvin in 1 M HCl | Zendy

Fahmida Khan | Zendy; Chandrabhan Verma | Zendy; Rajendran Susai | Zendy; M.A. Quraishi | Zendy

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Experimental and theoretical studies on mild steel corrosion inhibition by the grieseofulvin in 1 M HCl

Author(s) -

Fahmida Khan,

Chandrabhan Verma,

Rajendran Susai,

M.A. Quraishi

Publication year - 2017

Publication title -

european chemical bulletin

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.131

H-Index - 5

ISSN - 2063-5346

DOI - 10.17628/ecb.2017.6.21-30

Subject(s) - dielectric spectroscopy , adsorption , corrosion , scanning electron microscope , langmuir adsorption model , polarization (electrochemistry) , materials science , electrochemistry , spectroscopy , corrosion inhibitor , nuclear chemistry , langmuir , metallurgy , chemistry , inorganic chemistry , composite material , physics , electrode , quantum mechanics

The inhibition effect of grieseofulvin against the mild steel corrosion in 1 M HCl solution has been investigated by potentiodynamic polarization measurements, electrochemical impedance spectroscopy (EIS) and quantum chemical methods. It was found thatgrieseofulvin acts as a good mild steel corrosion inhibitor in the acid solution at temperature ranging from 298-328 K. The potentiodynamic polarization study reveals that grieseofulvin acts as mixed type inhibitor. The adsorption of grieseofulvin on mild steel follows the Langmuir adsorption isotherm. Scanning electron microscopy equipped with energy dispersive spectroscopy (SEM-EDS) studies established that grieseofulvin formed a protective layer on the surface of mild steel.

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