ISSN 2305-6894

Effect of the structure of o,o´-dihydroxyazo compounds on bactericidal and inhibitory ability

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1 All-Russian Scientific Research Institute of Use of Machinery and Oil Products, 392022 Tambov, Russia
2 Derzhavin State University, ul. Internatsyonalnaya, 33, 392000 Tambov, Russian Federation
3 Winogradsky Institute of Microbiology, Russian Academy of Sciences, Leninsky prosp., 33, bldg. 2, 119071 Moscow, Russian Federation
4 Tambov State Technical University, ul. Sovetskaya, 106, 392000 Tambov, Russian Federation

Abstract: The paper is devoted to a study of the influence of the molecule structure of a number of o,o´- dihydroxyazo (DHA) compounds on their bactericidal ability toward sulfate-reducing bacteria (SRB) in the Postgate medium at small concentrations (5–20 mg/L). DHA compounds induce a decrease in number of bacterial cells, H2S production by SRB, and hydrogen permeation into carbon steel in the presence of SRB. The inhibition of steel corrosion in the bacterial medium by these substances is considered as well.

Keywords: carbon steel, microbiological corrosion, weight loss, hydrogen permeation, polarization, bactericide, inhibitor, structure, bacteria

Int. J. Corros. Scale Inhib., , 6, no. 1, 1–17 PDF (1 127 K)
doi: 10.17675/2305-6894-2017-6-1-1

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