Anna Maria Michałowska-Kaczmarczyk, Aneta Spórna-Kucab, Agustin Garcia Asuero and Tadeusz Michałowski
The Simms constants (gi) are parameters of transformed equations for acid-base titration curves, obtained from rational functions of the Padé type. The relationships between gi and successive dissociation constants Ki values for polyprotic acids are formulated. The models related to acid-base titration curves are expressed in terms of hyperbolic functions. Some relations of gi to the Fermi- Dirac distribution function are indicated.
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