Abstract
1. The polarographic behavior of 24 phenylhydrazones and methylphenylhydrazones in methanol-water solutions has been examined over the pH range 5.8–9.2. 2. The polarographic behavior of the tautomeric forms of these compounds—the hydrazonic, the enhydrazinic, and the azo form — has been compared with the behavior of model substances. The characteristic features in the polarographic behavior of the tautomers have been disclosed. 3. Some preliminary conclusions have been drawn on the reduction mechanism of the tautomeric forms on a mercury electrode.
Published Version
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