Protection of low-carbon steel in phosphoric acid solutions by mixtures of a substituted triazole with sulfur-containing compounds

• Ya. G. Avdeev, M. V. Tyurina and Yu. I. Kuznetsov

A. N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119071 Russian Federation

Abstract: Based on IFKhAN-92 inhibitor, which is a substituted triazole, and sulfur-containing additives, efficient mixtures have been developed that protect low-carbon steel in phosphoric acid solutions in a broad range of acid concentrations (2.0–8.0 M) and temperatures (0–95°C).

Keywords: acid corrosion, corrosion inhibitor, phosphoric acid, mild steel, triazole

Int. J. Corros. Scale Inhib., 2014, 3, no. 4, 246–253 PDF (703 K)
doi: 10.17675/2305-6894-2014-3-4-246-253

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