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Kinetics and mechanism of the hydrogen discharge on Ti in HCl-DMSO solutions

✍ Scribed by P.J. Aragon; R.E. Araujo

Book ID
103065036
Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
217 KB
Volume
20
Category
Article
ISSN
0013-4686

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✦ Synopsis

The kinetics of hydrogen discharge in solutions of HCXDMSO is investigated within 10e3-1 N HCI concentrations, in the presence of KCIO, as supporting electrolyte. The cathodic slope is O-120V/dccade for all solutions. The electrochemical reaction order with respect to the hydrogen ion concentration at E = -0.6V is found to be 0.52. The stoichiometric number is practically equal to 2. The experimental activation energy is 11.2 kcal/mole.

The cathodic process is interpreted with the discharge reaction as rate determining step, followed by the adatom recombination reaction.

πŸ“œ SIMILAR VOLUMES

Kinetics and mechanism of the anodic dis
Kinetics and mechanism of the anodic dissolution of nickel in HCl-dimethylsulphoxide solutions
✍ A.B. Delgado; D. Posadas; A.J. Arvia πŸ“‚ Article πŸ“… 1976 πŸ› Elsevier Science 🌐 English βš– 820 KB

The anodic dissolution of nickel in HCl-DMSO solutions containing different supporting electrolytes has been studied between 2@45"C. The electrodissolution and electrodeposition are predominantly activated electrode processes. At high anodic potentials and in the presence of perchlorate ions at high