Studies of the effect of bismuth on the anodic oxidation of lead in sulphuric acid solution by photocurrent spectroscopy
โ Scribed by Xia Shen-Jiang; Zhou Wei-Fang
- Publisher
- Elsevier
- Year
- 1994
- Tongue
- English
- Weight
- 225 KB
- Volume
- 379
- Category
- Article
- ISSN
- 1572-6657
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๐ 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
The anodic film studied was formed on Pb + 9at.%Bi at 0.9V (vs. Hg/Hg,S03 in 4.5 M H, SO, solution (25ยฐC). The change of the phase composition of the anodic film during reduction at -0.91 V (vs. Hg/Hg,SO,) (slightly more positive than that of the reduction potential of PbSO,) was determined by X-ray