Ellipsometric and electrochemical measurements of the anodic passivation and secondary passivation films on nickel in borate buffer solution at pH 8-42 wcrc made. The refcrcnce bare surface, obtained by cathodic reduction of electropolished nickel, gives the optical constants N, = 1.65-3.81 i for ni
Study of nickel passivation in a borate medium
β Scribed by M. Boinet; S. Maximovitch; F. Dalard; O. de Bouvier
- Book ID
- 111558183
- Publisher
- Springer
- Year
- 2003
- Tongue
- English
- Weight
- 196 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0022-2461
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π SIMILAR VOLUMES
The mechanisms of formation of the passivating film and of anodic dissolution in the presence of this film have been studied at different potentials. In the low potential region, E < -0-4 V(sce), the data fit the preferential-dissolution/-adsorption mechanism: anodic dissolution proceeds by the dire
A brief study is made of the nickel(TI) polarography in borate medium. The nickel(R) in borate medium gives one or two waves depending on its concentration as well as lhe medium composition. In a borate medium, cocarboxylase in its disulfide form gives a nickel(II) pre-wave. The effects of the cocar