A. A. Amindzhanov, N. G. Kabirov, S. M. Safarmamadov
Dec 1, 2007
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Journal
Russian Journal of Inorganic Chemistry
Abstract
The reversibility of the RSSR/RS redox system, where RS is 3-ethyl-4-methyl-1,2,4-Triazole-5-thiol (3-E-4-MTT) at a platinum electrode was established. The real potentials of the system in the temperature range of 273–338 K were determined. The real potentials of the systems comprising 1,2,4-triazolethiols and their oxidized species depend on the nature, positions, and number of alkyl radicals in the heterocyclic molecule. The stepwise formation constants of rhenium(V) oxochloro-3-ethyl-4-methyl-1,2,4-triazolethiol complexes in 6 M HCl at different temperatures were determined. The thermodynamic functions of complexation in the H2[ReOCl5]-3-E-4-MTT-6 M HCl system were estimated.