Electrochemical reduction of ethyl-2-picolinate on lead in a sulfuric acid medium
β Scribed by A.M. Romulus; A. Savall
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 585 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0013-4686
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The anodic film studied was formed on Pb + 9at.%Bi at 0.9V (vs. Hg/Hg,S03 in 4.5 M H, SO, solution (25Β°C). 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
A~traet--CO~ reacts in acid solutions with chemisorbed hydrogen on platinum in the potential range of Eh = 0-250 mV to form a chemisorption product of reduced COs (perhaps CO). The rate of reduction on bright platinum at room temperature is very slow, taking more than 2 min at Eh = 0 for the total