In this introductory chapter to the other contributions made on molten salts and related themes, it is pleasing to record the early researches of Harold Hartley and two or three of his colleagues, matching other famous researches on dilute aqueous solutions of strong electrolytes. As is well illustrated by the assumptions made in the Debye-Hückel theory, electrolytic solutions then being studied were so dilute that mathematical complications could be kept under elegant control. In this earlier work on the physical chemistry of ionic liquids one could think of water as a solvent with dielectric constant of about 80, and although forces between the ions were long range, the high dilution and the high dielectric constant greatly simplified many of the problems concerning electrostatic interactions between the ions.
KeywordsIonic Liquid Molten Salt Ionic Crystal Contact Radius Positional Disorder
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