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Isothiocyanates. XXXIV. Polarography of some isothiocyanates

A. Beňo, J. Sura, A. Martvoň, and M. Uher

Department of Analytical Chemistry, Faculty of Natural Sciences, Komenský University, 801 00 Bratislava

 

Abstract: The polarog. redn. was studied of the 3 series of isothiocyanates contg. N:N, CO, COO, and OCO groups, in dependence on the pH of Britton-Robinson buffers. In these systems also the influence of substituents on the shift of the half-wave potential of the -NCS group was investigated. In all series studied there were found rectilinear correlations between E1/2 and Hammett σ consts. Using the slopes of the Hammett correlations, the coeffs. were calcd. of the electron-transfer effects for each group.

Full paper in Portable Document Format: 273a393.pdf

 

Chemical Papers 27 (3) 393–398 (1973)

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