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Peiravi, M., Ackah, L., Guru, R., Mohaty, M., Liu, K., Xu, B., Zhu, X. and Chen, L. (2017) Chemical Extraction of Rare Earth Elements from Coal Ash. Minerals & Metallurgical Processing, 34, 170-177.
https://doi.org/10.19150/mmp.7856

has been cited by the following article:

• TITLE: Corrosion Inhibition of Henna Extract on Carbon Steel with Hybrid Coating TMSM-PMMA in HCL Solution

  AUTHORS: Zahra Khoshkhou, Maryam Torkghashghaei, Amin Rabiei Baboukani

  KEYWORDS: Carbon Steel, Corrosion Inhibition, Henna Extract, Polarization, EIS

  JOURNAL NAME: Open Journal of Synthesis Theory and Applications, Vol.7 No.1, January 31, 2018

  ABSTRACT: Green inhibitors are promising alternatives to toxic corrosion inhibitors as they are environmentally safe substances, ecologically acceptable and renewable. In this research, the effect of green henna as an inhibitor existing in the coating of TMSM-PMMA and its electrochemical study were analyzed. The coating was produced by “sol-gel” method in order to protect the corrosion of low-carbon steel. TMSM hybrid cell was synthesized by hydrolysis and condensation, Metaacryloxypropyltrimethoxysilane and Tetraetylorthosilicate with 1:1 molar ratio and PMMA hybrid cell was produced by Methylmetaacrylate polymerization. Finally two cells were mixed in 1:1 weight ratio. The carbon steel substrates were prepared by dip coating method. SEM technique was applied for the microstructure evaluation of thin layers including different concentrations of henna extract. Adhesion of coating was analyzed by “Pull off” test. Additionally, the experimental results obtained in different concentrations of henna extract using electrochemical methods such as tafel polarization, electrochemical impedance spectroscopy indicating that coating with the concentration of 3% inhibitor had a high level of inhibition efficiency in 0.1 M HCL. The results of polarization tests signified that henna extract acts as a mixed inhibitor.