N-heterocycles as corrosion inhibitors for mild steel in acid medium
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- 作者：Jagadeesan Saranyaa ; Murugaiyan Sowmiyac ; Palanisamy Sountharib ; Kandhasamy Parameswaria ; Subramanian Chitraa ; rajshree1995@rediffmail.com" class="auth_mail" title="E-mail the corresponding author ; Kittusamy Senthilkumarc ; ksenthil@buc.edu.in" class="auth_mail" title="E-mail the corresponding author
- 关键词：Charge transfer resistance ; Adsorption ; Inhibition mechanism ; Mild steel ; Density functional theory ; Impedance
- 刊名：Journal of Molecular Liquids
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：216
- 期：Complete
- 页码：42-52
- 全文大小：1740 K
文摘
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The inhibitors FQ, FP and DP are effective mixed type (cathodic/anodic) inhibitors in 1 M H2SO4.
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Inhibition efficiency of the compounds increases with increasing concentration.
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Adsorption of compounds on mild steel surface obeys Langmuir's isotherm.
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Examination of surface morphology by SEM and AFM methods
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Theoretical calculations provide good support to experimental results.