2011 08 Notten NTT Consultancy UreaKnowHow Electrochemistry Influence of several parameters

During the last years we have been discussing in detail many different forms and cases of corrosion in ammonia and urea. To really understand the background and fundamentals of these corrosion problems it is necessary to introduce to you the modern electrochemical theory of aqueous corrosion.
Although the presentation is necessarily simplified and brief, we think this theory will contribute to a better understanding of corrosion phenomena. In the first paper about this subject we did discuss the thermodynamic principles (August 15, 2010). In the second  paper we did discuss the electrode kinetics (April 15, 2011), the third paper is part 1 of the discussion of the application of electrochemical corrosion theory on corrosion reactions in general and in carbamate solutions specific (15 June 2011), while the fourth paper did discuss the phenomena of Passivity in detail (15 July 2011). This fifth and final paper about this topic covers the influence of several parameters like electrolyte resistance, velocity, oxidizers and metallurgical aspects.

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