Experimental and theoretical investigation of 3-amino-1,2,4-triazole-5-thiol as a corrosion inhibitor for carbon steel in HCl medium |
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Authors: | Ba?ak Do?ru Mert M Erman Mert Gülfeza Karda? Birgül Yaz?c? |
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Affiliation: | Çukurova University, Science and Letters Faculty, Chemistry Department, 01330 Balcal?, Adana, Turkey |
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Abstract: | The inhibition effect of 3-amino-1,2,4-triazole-5-thiol (3ATA5T) was investigated in 0.5 M HCl on carbon steel (CS) by electrochemical impedance spectroscopy and potentiodynamic measurements at various concentrations and temperatures. Results showed that the correlation between experimental (inhibition efficiencies, ΔGads, Ea) and quantum calculation parameters (dipole moment, EHOMO, ELUMO). The high inhibition efficiency was declined in terms of strongly adsorption of protonated inhibitor molecules on the metal surface and forming a protective film. |
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Keywords: | A Steel B EIS B Electrochemical calculation C Acid corrosion |
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