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N. Tiwari, R. Pande

Protonation and Salting-in Behaviour of Weak Organic Bases in HClO₄

Various protonation parameters (pK_BH⁺, φ and m^*) of weak organic bases, N-aryhydroxamic acids have been determined following the Bunnett–Olsen method and Excess Acidity method in perchloric acid solutions. Thermodynamic parameters (ΔG°, ΔH° and ΔS°) of protonation reaction are also computed. These data are based on pK_BH⁺ values, derived from Excess Acidity method. Interaction parameters, viz. values of activity coefficients and Setschenow constants of these reagents have been evaluated to explain the salting-in behaviour of the system.

Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag

Print ISSN: 0942-9352
Volume: 216, 12/2002
Pages: 1411

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