Electrochemical aspects of the behavior of perchlorate ions in the presence of iron group metals

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

This chapter presents a study on the electrochemical aspects of the behavior of perchlorate ions in the presence of iron group metals. In this study, analytical grade Fe, Ni, and Co metal powders, and metal chips (Aldrich) were used for radiotracer adsorption studies. For analytical measurements, Fe, Co, and Ni foils and rods are used for the corrosion potential measurements. Fresh bottles of reagent grade perchloric acid, and "Millipore" grade water was used to prepare all solutions. For the preparation of solutions containing sodium perchlorate reagent grade perchloric acid, and "Suprapur" sodium-hydroxide monohydrate or sodium perchlorate monohydrate was used. The study demonstrates that the mechanical properties of the passive layer on nickel are influenced by the presence of CI- ions. Thus it can be assumed, that chloride ions incorporated in the passive film facilitate the formation of a more ordered structure.

Original languageEnglish
Title of host publicationPassivation of Metals and Semiconductors, and Properties of Thin Oxide Layers
PublisherElsevier
Pages101-106
Number of pages6
ISBN (Print)9780444522245
DOIs
Publication statusPublished - 2006

Fingerprint

Iron
Metals
Sodium
Ions
Sodium Hydroxide
Powder metals
Bottles
Nickel
Metal foil
Chlorides
Acids
Corrosion
Adsorption
Mechanical properties
Water
sodium perchlorate
perchlorate
Perchloric Acid

ASJC Scopus subject areas

  • Chemical Engineering(all)

Cite this

Electrochemical aspects of the behavior of perchlorate ions in the presence of iron group metals. / Láng, G.; Rokob, T.; Újvári, M.; Horányi, G.

Passivation of Metals and Semiconductors, and Properties of Thin Oxide Layers. Elsevier, 2006. p. 101-106.

Research output: Chapter in Book/Report/Conference proceedingChapter

Láng, G. ; Rokob, T. ; Újvári, M. ; Horányi, G. / Electrochemical aspects of the behavior of perchlorate ions in the presence of iron group metals. Passivation of Metals and Semiconductors, and Properties of Thin Oxide Layers. Elsevier, 2006. pp. 101-106
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AB - This chapter presents a study on the electrochemical aspects of the behavior of perchlorate ions in the presence of iron group metals. In this study, analytical grade Fe, Ni, and Co metal powders, and metal chips (Aldrich) were used for radiotracer adsorption studies. For analytical measurements, Fe, Co, and Ni foils and rods are used for the corrosion potential measurements. Fresh bottles of reagent grade perchloric acid, and "Millipore" grade water was used to prepare all solutions. For the preparation of solutions containing sodium perchlorate reagent grade perchloric acid, and "Suprapur" sodium-hydroxide monohydrate or sodium perchlorate monohydrate was used. The study demonstrates that the mechanical properties of the passive layer on nickel are influenced by the presence of CI- ions. Thus it can be assumed, that chloride ions incorporated in the passive film facilitate the formation of a more ordered structure.

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