Anodic dissolution of galena concentrate in perchloric acid
β Scribed by J. W. Johnson; J. Chang; R. A. Narasagoudar; T. J. O'Keefe
- Book ID
- 104840828
- Publisher
- Springer
- Year
- 1978
- Tongue
- English
- Weight
- 579 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0021-891X
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π SIMILAR VOLUMES
The anodic dissolution of lead in perchloric acid-sulphuric acid mixtures has been studied using potentiodynamic sweeps and current step measurements. As the surface concentration of lead increases, lead sulphate precipitates at the surface. This solid phase is not in equilibrium with the bulk solut
Steady state potentiostatic experiments on a galena rotating-disc electrode in perchlorate solutions of varying pH values indicated that the primary reaction governing the anodic dissolution is PbS + Pbz + + S + 2e. A mechanism involving a sulphur intermediate is proposed for this process. Cyclicvol