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Inhibition of corrosion of carbon steel in well water by DL-phenylalanine-Zn 2+ system
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نویسنده
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raja a.s. ,rajendran s. ,satyabama p.
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منبع
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journal of chemistry - 2013 - دوره : 2013 - شماره : 0
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چکیده
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The environmental friendly inhibitor system dl-phenylalanine-zn 2+ has been investigated by weight loss method. a synergistic effect exists between dl-phenylalanine and zn 2+ system. the formulation consisting of 150 ppm of dl-phenylalanine and 5 ppm of zn 2+ offers good inhibition efficiency of 90. polarization study reveals that this formulation functions as a anodic inhibitor. ac impedance spectra reveal that a protective film is formed on the metal surface. the surface morphology has been analysed by sem and edax. a suitable mechanism of corrosion inhibition is proposed based on the results obtained from weight loss study and electrochemical studies. © 2013 a. sahaya raja et al.
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آدرس
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pg and research department of chemistry,gtn arts college, India, department of chemistry,rvs school of engineering and technology, India, department of chemistry,anna university of technology madurai,dindigul campus, India
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Authors
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