ISSN 2305-6894

Corrosion behavior of low carbon steel in technological aqueous calcium nitrate solutions

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1 Physical Chemistry Department, Voronezh State University, Universitetskaya pl. 1, Voronezh, 394006, Russian Federation
2 Inorganic Chemistry and Chemical Technologies Department, Voronezh State University of Engineering Technologies, pr. Revolutsii, 19, Voronezh, 394036, Russian Federation

Abstract: The paper demonstrates the inhibitive effect of inorganic and organic additives to calcium nitrate and ammoniated calcium nitrate aqueous solutions on corrosion of low carbon structural steel St3. The steel corrosion behavior was studied by voltammetry. The effect of ammonization as well as of addition of such inhibitors as monoethanolamine and potassium dichromate on the main parameters of the corrosion process was established. The findings will be useful for corrosion control in components made of the steel used in fertilizer industry and also in concrete as reinforcement.

Keywords: ammonium calcium nitrate solutions, low carbon structural steel, corrosion, monoethanolamine, potassium dichromate

Int. J. Corros. Scale Inhib., , 4, no. 3, 221-225 PDF (248 K)
doi: 10.17675/2305-6894-2015-4-3-221-225

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