The mechanism of the anodic processes on gold in chloride, sulphate and mixed chloridesulphate electrolytes has been investigated. Analyses of the experimental results points to the different mechanisms of the anodic prccesses depending on the electrolyte composition. In chloride and mixed chloride-
Kinetics of growth in anodic formation of non-conducting layers
✍ Scribed by B. Lovreček; K. Moslavac
- Publisher
- Elsevier Science
- Year
- 1968
- Tongue
- English
- Weight
- 227 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0013-4686
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✦ Synopsis
The kinetics of coverage by an anodic non-conducting layer is treated taking in account two processes, the formation of solid anodic product, and its simultaneous dissolution. The rate of the first process is a function of apparent cd, but the rate of the second is a function of coverage, which itself is a function of time.
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## Abstractarowth kinetics during anodizing of zirconium in sodium phosphate @H = 11.8) and sodium hydroxide (pH = 12.8) solutions show that the anodization rate, the current efficiency and the electric field are higher in the phosphate than in the hydroxide for the same growth current. This was a