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Corrosion Inhibition of Mild Steel in Nitric Acid Media by some Schiff Bases Derived from Anisalidine

Saxena N., Kumar S., Sharma M. K., Mathur S. P.

Polish Journal of Chemical Technology

2013

Vol. 15, nr 1

61-67

Corrosion inhibition performance of mild steel in nitric acid solution containing different concentration of anisalidine derivative Schiff bases viz. N- (4-nitro phenyl) p-anisalidine (SB1), N- (4-chloro phenyl) p-anisalidine (SB2), N- (4-phenyl) p-anisalidine (SB3), N- (4-methoxy phenyl) p-anisalidine (SB4), N- (4-hydroxy phenyl) p-anisalidine (SB5) has been investigated using mass loss, thermometric and potentiostate polarization technique. Inhibition efficiencies of Schiff bases have been evaluated at different acid strength. The inhibition efficiency was found larger than their parent amines. Inhibition efficiencies of synthesized Schiff bases increase with inhibitor concentration. Inhibition efficiency increases up to 98.32% with ansalidine derivative Schiff base.

Inhibition Effect of Nitrogen Containing Ligands on Corrosion of Aluminium in Acid Media with and with out KCl

Sethi T., Chaturvedi A., Upadhyay R. K., Mathur S. P.

Polish Journal of Chemistry

2008

Vol. 82, nr 3

591-598

Mass loss and thermometric methods have been used to study the corrosion inhibition of aluminium in HCl solution by nitrogen containing ligands viz. N-(4-N,N-dimethyl - aminobenzal)-p-anisidine (SB1), N-(4-N,N-dimethylaminobenzal)-p-toluidine (SB2) and N-(4-N,N-dimethylaminobenzal)-2,4-dinitroaniline (SB3). Results of inhibition efficiencies obtained from these two methods are in good agreement and have been found to be dependent upon the concentration of inhibitors as well as concentration of acids. Inhibition efficiency of synthesized ligands has also been studied in the presence of KCl with inhibitors.