Ion Pairing in Ethanol/Water Solution Probed by Electrophoretic and Diffusion NMR

摘要

Ion-specific effects are ubiquitous and have been reported in a wide range of fields including protein solubility, surface tension, and bacterial growth. Often, ions exhibit a specific order concerning the magnitudes of the effects they induce; that order is often quoted as the Hofmeister series. Although the arrangement of cations and anions in their respective Hofmeister series is somewhat dependent on the phenomenon observed, the rough trends are persistent. Recently, there has been increasing interest in ion specific effects and in unraveling the mechanisms behind the observed phenomena.