Synthesis and evaluation of some new hydrazones as corrosion inhibitors for mild steel in acidic media View Full Text


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Article Info

DATE

2019-04

AUTHORS

Hassane Lgaz, Abdelkarim Chaouiki, Mustafa R. Albayati, Rachid Salghi, Yasmina El Aoufir, Ismat H. Ali, Mohammad I. Khan, Shaaban K. Mohamed, Ill-Min Chung

ABSTRACT

Mild steel corrosion in HCl solution is an example of corrosion in acidic mediums. The ongoing research efforts to develop novel environmentally friendly corrosion inhibitors raise questions regarding their ability to effectively protect steel from corrosion. Herein, a series of experimental studies were conducted to explain the scientific mechanism of adsorption of four hydrazone derivatives (HDZs) namely, 2-((2,3-dimethylphenyl)amino)-N′-((1E,2E)-3-phenylallylidene)benzohydrazide (HDZ1) (E)-2-((2,3-dimethylphenyl)amino)-N′-(4-hydroxybenzylidene)benzohydrazide (HDZ2) (E)-2-((2,3-dimethylphenyl)amino)-N′-(1-phenylethylidene)benzohydrazide (HDZ3) and N′-cyclohexylidene-2-((2,3-dimethylphenyl)amino)benzohydrazide (HDZ4) on mild steel (MS) in 1.0 M HCl using chemical, electrochemical and surface characterization techniques. All results show that the inhibitor molecules form a stable layer on steel surface through chemical and physical interactions. HDZs adsorption onto the steel surface was found to follow Langmuir model. Furthermore, electrochemical results demonstrated that our developed inhibitors act as mixed-type inhibitors, with HDZ1 showing the highest polarization resistance and lowest corrosion current density. X-ray diffraction and scanning electron microscope were used to study corrosion products phases and surface morphology of MS samples. Our findings provide deeper insights into understanding the interaction mechanisms of HDZs with a steel surface and can be helpful to explore novel approaches to mitigate the steel dissolution. More... »

PAGES

2269-2286

References to SciGraph publications

  • 2013-04. Synergistic effect of AM-4VP-9 copolymer and iodide ion on corrosion inhibition of mild steel in 1 M H2SO4 in RESEARCH ON CHEMICAL INTERMEDIATES
  • 2013-03. Inhibitive effect of chloroquine towards corrosion of mild steel in hydrochloric acid solution in RESEARCH ON CHEMICAL INTERMEDIATES
  • 2013-05. Experimental, quantum chemical calculations, and molecular dynamic simulations insight into the corrosion inhibition properties of 2-(6-methylpyridin-2-yl)oxazolo[5,4-f][1,10]phenanthroline on mild steel in RESEARCH ON CHEMICAL INTERMEDIATES
  • 2013-04. Ceforanide: a new and efficient corrosion inhibitor for mild steel in HCl solution in RESEARCH ON CHEMICAL INTERMEDIATES
  • 2012-11. Poly(4-vinylpyridine-hexadecyl bromide) as corrosion inhibitor for mild steel in acid chloride solution in RESEARCH ON CHEMICAL INTERMEDIATES
  • 2013-07. Performance of some thiophene derivatives as corrosion inhibitors for 304 stainless steel in aqueous solutions in RESEARCH ON CHEMICAL INTERMEDIATES
  • 2018-10. Insights into the inhibition mechanism of a novel supramolecular complex towards the corrosion of mild steel in the condensate water: experimental and theoretical studies in RESEARCH ON CHEMICAL INTERMEDIATES
  • 2013-02. Schiff’s base derived from the pharmaceutical drug Dapsone (DS) as a new and effective corrosion inhibitor for mild steel in hydrochloric acid in RESEARCH ON CHEMICAL INTERMEDIATES
  • 2013-04. Comparative inhibition study of mild steel corrosion in hydrochloric acid by new class synthesised quinoxaline derivatives: part I in RESEARCH ON CHEMICAL INTERMEDIATES
  • 2018-03. Characterization of Mazuj galls of Quercus infectoria tree as green corrosion and scale inhibitor for effective treatment of cooling water systems in RESEARCH ON CHEMICAL INTERMEDIATES
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