Non-aqueous solutions of electrolytes

Authors: Arnold, M.St.J.; Packer, K.J.

Source: Molecular Physics, Volume 10, Number 2, 1966 , pp. 141-153(13)

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Abstract:

Measurements of the spin-lattice relaxation time, T 1 , for the 75 As nucleus are presented for solutions of potassium hexafluoroarsenate in acetonitrile, acetone, ethyleneglycol-dimethylether and diethyleneglycol-dimethylether. Viscosity and density data are given for each series of solutions. Plots of ( T 1 ) -1 against viscosity are linear for each solution. The relaxation is interpreted in terms of the fluctuating quadrupole coupling of the 75 As nucleus, the mean square value of which is constant over the whole concentration range for a given solvent. Possible origins of the electric field gradients at the 75 As nucleus are discussed in the light of this and earlier work on similar systems. The viscosity and density data are used to obtain a set of ` solvation numbers '.

Document Type: Research article

DOI: http://dx.doi.org/10.1080/00268976600100191

Affiliations: 1: School of Chemical Sciences, University of East Anglia, Wilberforce Road, Norwich, Norfolk, NOR 77H

Publication date: 1966-01-01

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