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    Rights statement: This is the author’s version of a work that was accepted for publication in Electrochemistry Communications. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Electrochemistry Communications, 62, 52-55, 2016 DOI: 10.1016/j.elecom.2015.11.009

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The effect of acetohydroxamic acid on stainless steel corrosion in nitric acid

Research output: Contribution to journalJournal article

Published
<mark>Journal publication date</mark>01/2016
<mark>Journal</mark>Electrochemistry Communications
Volume62
Number of pages4
Pages (from-to)52-55
Publication statusPublished
Early online date2/12/15
Original languageEnglish

Abstract

We present the first study of the effect of acetohydroxamic acid (AHA) on the corrosion behaviour of stainless steels. Particularly, studies have been performed using steels and physico-chemical conditions equivalent to those proposed for use in advanced nuclear reprocessing platforms. In these, AHA has been shown to have little effect on either steel passivation or reductive dissolution of both SS304L and SS316L. However, under transpassive dissolution conditions, AHA while in part electrochemically oxidised to acetic acid and nitroxyl/hydroxylamine, also complexes with Fe3 +, inhibiting secondary passivation and driving transpassive dissolution of both steels.

Bibliographic note

This is the author’s version of a work that was accepted for publication in Electrochemistry Communications. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Electrochemistry Communications, 62, 52-55, 2016 DOI: 10.1016/j.elecom.2015.11.009