An AES and SIMS study of the influence of chloride on the passive oxide film on iron

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TypeArticle
Journal titleElectrochimica Acta
Volume31
Issue10
Pages12991303; # of pages: 4
AbstractThe kinetics of passivation of Fe in pH 8.4 birate buffer solution at 0.0 V have been studied in both the presence and absence of 0.5 M Cl-. Cl- has no influence on the decay of the passive current with time over the course of several hours. Oxide films wer examined by AES and SIMS for possible Cl- incorporation into the oxide lattice. Neither technique was able to detect any Cl- within the film. The same is true even above the pitting potential, which probably indicates that Cl- incorporation into the oxide film is not a precursor to pit initiation. It also appears that Cl- does not cause any film thinning.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Institute for Chemical Process and Environmental Technology
Peer reviewedYes
NRC number52289
NPARC number16285585
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Record identifier6aa2caa1-9105-419f-80f3-7a73c5ff82e0
Record created2010-11-01
Record modified2016-05-09
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