HYDRATION AND LOCAL VISCOSITY OF WATER AROUND SINGLY CHARGED IONS IN AQUEOUS SOLUTIONS | Journal ..

The effect of hydration of singly charged ions on the local viscosity of water around hydrated ions has been investigated. The effect was estimated using the dependence of ions electromobility on hydration type. The local viscosity of water around ions with negative hydration (K+, Rb+, Cs+, Cl-, Br-, and I-), which offer the disordering of water molecules in the immediate vicinity, lowers. The water local viscosity increases for ions with positive hydration (Li+, Na+, and F-), which give ordering of water molecules in the immediate vicinity, producing changes in their electromobility. The influence of temperature on the local viscosity of water around singly charged ions has been investigated, as well as the possibility of modifying the hydration type of ions.

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