Highly active silver cathode, preparation of same and use to mak

Details Highly active silver cathode, preparation of same and use to mak Highly active silver cathode, preparation of same and use to mak

1979-04-13

1980-12-30

Edmundson, F.

Chemistry: electrical and wave energy

Processes and products

204 46R, 204290R, 204292, 546345, C25B 304, C25B 1104, C25D 346, C07D21172

Patent

active

042421837

ABSTRACT:
A highly active cathode, having utility for electrolytic reduction of 2,3,5,6-tetrachloropyridine to 2,3,5-trichloropyridine, comprises a wet, immobilized layer of aggregated silver microcrystals, formed by the electrolytic reduction of colloidal, silver oxide particles in the presence of water and hydroxyl ions.

REFERENCES:
patent: 3130136 (1964-04-01), Wright
patent: 3449162 (1969-06-01), Chand
patent: 3479276 (1969-11-01), Jung et al.
patent: 3657003 (1972-04-01), Kenney
patent: 3687826 (1972-08-01), Seiber
patent: 3694332 (1972-09-01), Parker
Abramovitch, Pyridine and its Derivatives, Supp. Part II, 446, 447, pub. by Interscience (1974).
Organic Chemistry by Brewster, pp. 493 and 494, pub. by Prentice-Hall (1948).
Roberts et al., Chem. Comm. J. Chem. Soc. 1967, pp. 893, 894.
Klingsberg, Pyridine and Its Derivatives, Part II, pp. 345, 346, pub. by Interscience (1961).
Mao et al., J. Electrochem. Soc., vol. 117, pp. 1319-1323, 10-70.

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