39K NMR Research Articles

Potassium‐39 Nuclear Magnetic Resonance Studies of Counterion Binding in Lyotropic Liquid Crystals

AbstractThe binding of K+ at the lamella bilayer surface in the lamellar phase of the potassium oleate–water system has been studied by 39K NMR. The effects of temperature, water content and solubilizate (octanol, benzyl alcohol, benzene and cyclohexane) are investigated. A simple two‐site equilibrium model is used to interpret the measurements. The manner in which the solubilizate interacts with and perturbs the structure of the lamella bilayer surface is implicit in the results.