✍ Scribed by Mario Della Monica; G. Petrella; A. Sacco; S. Bu̇fo
No coin nor oath required. For personal study only.
The transfnenae numbera of sodium and chloride ions in concentrated N&S-water solutions have ban measured at 25"C, using the Hittorf method. An improvement to determine the concentration has been obtained by weighing the anhydrous salt content of the different portions. The ionic conductivities calculated by data of transference numbers and conductivities of the salt have been compared to the analogous quantities of NaCIO,-water system. The analysis of the data seems to prove the existence of a different concentration region where the structural transition of the solutions greatly influences the ionic mobiiity. INTR0DUcn0N The study of the behaviour of the kinetic species, both in aqueous and non-aqueous dilute salt solutions, has long been investigated through tbe combined use of etectrical conductivity and transference number (tn) measurements. The treatment of the experimental data with the recently proposed Fuoss-Onsager conduo tivity equatians[l], seems to prove that up to -0.1 c concentration, the structure of aqueous solutions of univalent electrolytes can be interpreted by the modei
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