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Comparison of the inhibition property of Quinoxaline derivative on mild steel in 1.5M H2SO4,3M HCl and 1M H3PO4
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نویسنده
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saranya j. ,sounthari p. ,chitra s.
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منبع
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journal of materials and environmental science - 2017 - دوره : 8 - شماره : 1 - صفحه:370 -377
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چکیده
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Corrosion inhibition of mild steel in 1.5m h2so4,3m hcl and 1m h3po4 was investigated in the absence and presence of different concentrations of quinoxaline derivative namely 2,3-di(furan-2-yl)quinoxaline(fq). weight loss,potentiodynamic polarization and electrochemical impedance spectroscopy (eis) measurements were employed. impedance measurements showed that the charge transfer resistance increased and double layer capacitance decreased with increase in the inhibitor concentration. potentiodynamic polarization study showed that the inhibitor acted as mixed-type inhibitors in all the three acids. © 2017.
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کلیدواژه
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Corrosion rate; Impedance; Mild steel; Polarization; Weight loss
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آدرس
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department of chemistry,psgr krishnammal college for women,coimbatore, India, department of chemistry,psgr krishnammal college for women,coimbatore, India, department of chemistry,psgr krishnammal college for women,coimbatore, India
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Authors
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