Synthesis, characterization, biological activity, DFT studies on transition metal complexes derived from 5,5′-(propane-1,3-diylbis(sulfanediyl))bis(1,3,4-thiadiazol-2-amine) ligand and its corrosion inhibition study on carbon steel

Ahmed, Yasmin M.; Ashmawy, Ashraf M.; Omar, M. M.; Abbas, Ashraf A.; Mostafa, Sara. G.

doi:10.1016/j.molstruc.2023.134956

Cited by 9 publications

(1 citation statement)

References 28 publications

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“…Potentiodynamic polarization was also detected for anodic and cathodic polarization at a scan rate of 5 mV s -1 . With the use of the Gamry 3000 potentiostat/galvanostat/ZRA and Echem Analyst 7 software, all of these methods were measured [40].…”

Section: Electrochemical Investigations 251 Electrochemical Cellmentioning

confidence: 99%

Study corrosion inhibitor for mild steel in 1M HCl by pyrazolone-sulfonamide hybrids: Synthesis, characterization evaluation as corrosion inhibitors

Ashmawy,

Mostafa,

Kamal

et al. 2023

Preprint

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Carbon steel is widely used in the petroleum industry for pipelines, storage tanks, and equipment due to its mechanical properties, and strength. However, challenges such as environmental conditions and corrosive materials can affect its lifespan and require maintenance and repair. This work aimed to prepare pyrazalone-sulfonamide hybrids, and confirmed by mass spectra, FTIR, 1H-NMR, and 13C-NMR.These compounds were examined as mild steel corrosion inhibitors in 1 M HCl solutions at 298–323 K using the gravimetric technique, electrochemical measurement, scanning electronic microscope analysis, and quantum chemical calculations. The values of inhibitory efficiency identified by electrochemical and non-electrochemical techniques exhibit good agreement. At various temperatures and in the 50 to 500 ppm concentration range. During the adsorption process, these substances connect to the Langmuir adsorption isotherm. Some adsorption isotherm and kinetic parameters have been developed and discussed. The metal surface had a thin inhibitory protective layer, according to investigations using energy dispersive X-ray spectroscopy (EDX) and scanning electron microscope (SEM). These findings demonstrated the potential of pyrazolone-sulfonamide as effective organic corrosion inhibitors for Carbon Steel. in aggressive solution.

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Section: Electrochemical Investigations 251 Electrochemical Cellmentioning

confidence: 99%