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- W4307743393 abstract "Abstract Many investigations have been conducted proving that most corrosion inhibitors are sensitive to temperature. The objective of this research is to investigate the corrosion inhibition performance of two pyrazole carboxamide derivatives at different temperature conditions. The corrosion inhibition properties of mild steel were investigated in hydrochloride acid solution 1 M HCl and in the presence of DPC-1, DPC-2 inhibitors using potentiodynamic polarization technique and electrochemical impedance spectroscopies. The adsorption film on the steel surface was characterized by Fourier transform infrared spectroscopy (FTIR). The results exhibit excellent inhibition performance of pyrazole in all temperatures studied. Tafel curves indicate that DPC-1 and DPC-2 behave as mixed-type inhibitors. EIS measurements display maximum corrosion inhibition efficiency around 97 % at 40 °C for DPC-1 (400 µM) and 96.91% ; 96.59% at 40 °C and 60 °C for DPC-2 (160 µM), respectively. The calculated thermodynamic parameters reveal the predominance of chemisorption process, in particular at higher temperatures. The FTIR spectra confirm the chemical interactions of pyrazole on the steel surface." @default.
- W4307743393 created "2022-11-05" @default.
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- W4307743393 date "2022-10-31" @default.
- W4307743393 modified "2023-10-16" @default.
- W4307743393 title "The effect of temperature on the corrosion inhibition performance of two pyrazole derivatives for mild steel in 1 M HCl: Electrochemical and FTIR investigations" @default.
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- W4307743393 doi "https://doi.org/10.21203/rs.3.rs-2213399/v1" @default.
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