Comments on The Pitzer Equations Formulated on the Assumption of Complete Dissociation of Strong Electrolytes

Authors: Raji Heyrovska

In the past years many articles have been pub¬lished in JPCRD which are based on the Pitzer equations formulated on the assumption of complete dissociation of strong electrolytes at all concentrations. However, in this current author’s opinion, these equations are so complex that they suggest that mere is some concep¬tual error. To quote some articles in Chemistry in Britain, Franks points out that “tinkering with the Debye-Hückel equation may produce better fits to experimental data over increasingly wider ranges of concentration, but it is only a curve fitting exercise." According to this current author, the above complex state of the mathematical description of the solution properties is due to the conventional assumption that strong electrolytes are completely dissociated in aqueous solutions. In recent years, it has been shown by the present author that strong electrolytes are indeed only partially dissociated in aqueous solutions, and this has been confirmed experimentally and supported by molecular dynamic simulations for saturated solutions.

Comments: 3 Pages. This short paper was accepted for publication in JPCRD, but its publication was stopped by NIST after it was proof-read. Over the years it has proved to be correct; see Structural Chem. 24 (2013) 1895-1901; DOI 10.1007/s11224-013-0256-7.

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[v1] 2017-12-01 10:54:44

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