Sodium and lithium ions are not reduced at the dropping mercury electrode in hexamethylphosphoric triamide containing 0.05 mol dm-3 tetraethylammonium perchlorate while rubidium and caesium ions show diffusion controlled, l-electron reduction waves. Thereduction of potassium ion is partially kinetic
Effect of metal ions on the polarographic reduction of organic compounds in dipolar arrotic solvents
β Scribed by T. Fujinaga; K. Izutsu; T. Nomura
- Publisher
- Elsevier Science
- Year
- 1971
- Weight
- 409 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0022-0728
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In the last decade several papers were published on the polarographic investigations of ion-pair formation in free radical anion metal cation systems. Polarographic studies of ion association were described with radical anions of quinones 1 3 nitrocompounds 4 6, benzaldehydes6 ketonesV-9 and azocomp
The reduction potentials, Ells, of ethyl cinnamate, ethyl crotonate, triphenylcyanopropylphosphonium bromide and cycle-octatetraene have been determined polarographically in dimethylfor-man-ride solvent as a function of the size of the tetra-n-alkylammonium cation used as a supporting electrolyte.
Polarographic reductions of alkali metal ions have extensively been studied in various non-aqueous solvents ~ . In most cases, the reductions of these ions occur reversibly and the half-wave potentials give important information concerning the solvation of these ions. In some cases, however, the red