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New Corrosion inhibition of mild steel by 7-bromopyrido[2,3-b]pyrazine-2,3(1H, 4H)-dithiol in 1M hydrochloric acid solution


 
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1. Title Title of document New Corrosion inhibition of mild steel by 7-bromopyrido[2,3-b]pyrazine-2,3(1H, 4H)-dithiol in 1M hydrochloric acid solution
 
2. Creator Author's name, affiliation, country M. Sikine, Y. Kandri Rodi, A. Elyoussfi, A. Dafali, Y. Ouzidan, A. Kandri Rodi,; M. Sikine, Y. Kandri Rodi, A. Elyoussfi, A. Dafali, Y. Ouzidan, A. Kandri Rodi, F. Ouazzani Chahdi, E.M.Essassi,
 
2. Creator Author's name, affiliation, country F. Ouazzani Chahdi, E.M.Essassi, A. Chetouani, B. Hammouti, H. Elmsellem; 1Laboratory of Applied Organic Chemistry, Faculty of Science and Technology, University Sidi Mohammed Ben Abdallah, Fez, Morocco.; Morocco
 
3. Subject Discipline(s)
 
3. Subject Keyword(s) Mild steel; Corrosion; 7-bromopyrido[2,3-b]pyrazine-2,3(1H,4H)-dithiol; Quantum chemical parameters; Electrochemical; DFT
 
4. Description Abstract

The corrosion inhibition performance of synthesized inhibitor 7-bromopyrido[2,3-b]pyrazine-2,3(1H,4H)-dithiol (M2) was investigated on mild steel corrosion in 1 HCl using gravimetric and electrochemical measurements. The studied inhibitor, M2showed the maximum inhibition efficiency (E) of 91% at a concentration as low as 10-3M. The potentiodynamic polarization studies showed that the studied inhibitor (M2) act as mixed inhibitor. The results of EIS studies showed that in the presence of inhibitor M2, transfert charge resistance increased and Cdl decreased due adsorption of inhibitor at the mild steel surface. The adsorption of inhibitor molecules on mild steel surface obeys the Langmuir adsorption isotherm. The results of the theoretical investigation and experimental studies well complimented each other.
 
5. Publisher Organizing agency, location
 
6. Contributor Sponsor(s)
 
7. Date (YYYY-MM-DD) 24-03-2018
 
8. Type Status & genre Peer-reviewed Article
 
8. Type Type
 
9. Format File format PDF
 
10. Identifier Uniform Resource Identifier https://revues.imist.ma/index.php/morjchem/article/view/11549
 
10. Identifier Digital Object Identifier (DOI) https://doi.org/10.48317/IMIST.PRSM/morjchem-v6i2.11549
 
11. Source Title; vol., no. (year) Moroccan Journal of Chemistry; Vol 6, No 2 (2018)
 
12. Language English=en en
 
13. Relation Supp. Files
 
14. Coverage Geo-spatial location, chronological period, research sample (gender, age, etc.)
 
15. Rights Copyright and permissions Copyright (c) 2018 Moroccan Journal of Chemistry