GET THE APP

Theoretical prediction and experimental study of 5- methyl- 1H -pyrazole-3- carbohydrazide as a novel corrosion inhibitor for m ild steel in 1.0 M HCl | Abstract

Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry

ISSN: 0975-413X
All submissions of the EM system will be redirected to Online Manuscript Submission System. Authors are requested to submit articles directly to Online Manuscript Submission Systemof respective journal.

Abstract

Theoretical prediction and experimental study of 5- methyl- 1H -pyrazole-3- carbohydrazide as a novel corrosion inhibitor for m ild steel in 1.0 M HCl

Author(s): H. Elmsellem 1* , K. Karrouchi 1,2 , A. Aouniti 1 , B. Hammouti 1 , S. Radi 1 , J. Taoufik 2 , M. Ansar 2 , M. Dahmani 1,3 , H. Steli 4 and B. El Mahi 1

This work is devoted to examine the effectivenes of 5-methyl-1H-pyrazole-3-carbohydrazide(MPC) on corr osion of mild steel in 1 M HCl solution using the weight los s measurement at various temperature and concentrat ion effects. Polarization curves and electrochemical impedance s pectroscopy (EIS) methods were employed to evaluate corrosion rate and inhibition efficiency. Inhibitio n efficiency of 95% is reached with 10 -3 M of ( MPC ) at 308 K. Potentiodynamic polarization showed that the MPC be haves as mixed-type inhibitor. The Nyquist plots sh owed that increasing MPC concentration, charge-transfer resis tance increased and double-layer capacitance decrea sed, involving increased inhibition efficiency. Adsorpti on of the inhibitor molecules corresponds to Langmu ir adsorption isotherm. Quantum chemical calculations showed that the inhibitor has the tendency to be protonated in the acid and the results agree with experimental observation s.


PDF

Select your language of interest to view the total content in your interested language

30+ Million Readerbase
SCImago Journal & Country Rank
Google Scholar citation report
Citations : 23677

Der Pharma Chemica received 23677 citations as per Google Scholar report

Der Pharma Chemica peer review process verified at publons
Der Pharma Chemica- Journals on pharmaceutical chemistry