Adsorption and Inhibitive Properties of Triazolo- pyrimidine Derivatives in Acid Corrosion of Mild Steel | Zendy

K. Parameswari | Zendy; S. Chitra | Zendy; S.J. Kavitha | Zendy; J. Rajpriya | Zendy; A. Selvaraj | Zendy

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Adsorption and Inhibitive Properties of Triazolo- pyrimidine Derivatives in Acid Corrosion of Mild Steel

Author(s) -

K. Parameswari,

S. Chitra,

S.J. Kavitha,

J. Rajpriya,

A. Selvaraj

Publication year - 2010

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2011/128682

Subject(s) - physisorption , adsorption , corrosion , electrochemistry , chemistry , cathodic protection , langmuir adsorption model , pyrimidine , inorganic chemistry , nuclear chemistry , organic chemistry , stereochemistry , electrode

Inhibitive and adsorption properties of synthesized triazolo- pryimidine derivatives (P1, P2 & P3 ) for the corrosion of mild steel was investigated using weight loss and electrochemical methods. Inhibition efficiency increased as the concentration of the inhibitor increased but decreased with increase in temperature. The triazolopyrimidines were found to act as adsorption inhibitors for the corrosion of mild steel. The adsorption mechanism of the triazolopyrimidine was found to be physisorption, spontaneous and exothermic. Also the adsorption followed Langmuir adsorption isotherm. polarisation studies showed that the inhibitors behave as cathodic type.

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