The protective action of imidazoline-based corrosion inhibitors for low-carbon steel tending to absorb hydrogen in acidic media is studied using impedance spectroscopy and breaking tests. It is shown that commercial inhibitors FLEK-IK 201 A and FLEK-IK 201 B reduce corrosion and the hydrogen-absorption rate, having an St3 steel-protection degree above 80%, and lower the strength-loss coefficient of steel-wire samples in acidic H2S-containing media to 1.3-4.3%.
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The work was sponsored by the RF Ministry of Education and Science under the base part of a state task (Project No. 1256).
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 3, pp. 16 – 18, May – June, 2015.
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Plotnikova, M.D., Tiunov, I.A., Novikov, A.A. et al. Tests of Imidazoline-Based Corrosion Inhibitors for Low-Carbon Steel Tending to Absorb Hydrogen in Acidic Media. Chem Technol Fuels Oils 51, 252–256 (2015). https://doi.org/10.1007/s10553-015-0599-4
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DOI: https://doi.org/10.1007/s10553-015-0599-4