The effect of anodic film formation on the dissolution of cadmium amalgam in alkaline solution
โ Scribed by R.D. Armstrong; J.D. Milewski; W.P. Race; H.R. Thirsk
- Publisher
- Elsevier Science
- Year
- 1969
- Weight
- 353 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0022-0728
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The effectiveness of the scraping was judged on the basis of results obtained by voltammetry with current. It was found to vary with potential at constant speed of rotation of the electr f?$rat$~yt~~&rma~ t the surface in the region where layers of hydroxide or oxide t IS formed between OG? and 0.15
For the amalgam the value is ~ 60 mV not 9 mV as shown earlier 1. The discrepancy is due to the lack of reversible behaviour of the Zn(Hg)/ZnO electrodes.
A renewed discussion 1'2 on the validity of the dissolution-precipitation (D-P) model for anodic film formation needs to be prefaced with the following comments : A. The experimental facts relevant to the anodic formation, for example of calomel films, have been obtained under galvanostatic 3'4 and