Aromatic Amines Compounds as Corrosion Inhibitors forStainless Steel in H2SO4 Solution

سال انتشار: 1392
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,196

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شناسه ملی سند علمی:

EPGC06_011

تاریخ نمایه سازی: 25 خرداد 1393

چکیده مقاله:

The corrosion efficiency of aromatic amines for mild steel in 0.5 M H2SO4 was investigated usingpolarization and weight loss measurements. The results revealed that these inhibitors exhibit goodcorrosion inhibition even at a very low concentration. Polarization curves showed that all of thecompounds are mixed type inhibitors. The adsorption of inhibitors is found to obey Langmuirisotherm. The relationship between molecular structure of these compounds and their inhibitionefficiency which was investigated by quantum chemical calculations indicates that the inhibitionefficiency has lucid correlation with the lowest unoccupied molecular orbital energy levels andelectron charge of oxygen atoms.

نویسندگان

Mohammad Reza Salavati

Mashhad Power Generation Management CO.

Masoud Ghanei-Motlagh

Department of Chemistry, Faculty of Science, Shahid Bahonar University of Kerman, Kerman, Iran

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