Author： Bellissent-Funel M.-C. Kahn R. Dianoux A.J. Fontana M.P. Maisano G. Migliardo P. Wanderlingh F.
Publisher： Taylor & Francis Ltd
ISSN： 1362-3028
Source： Molecular Physics, Vol.52, Iss.6, 1984-08, pp. : 1479-1486
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Abstract
A study of the diffusive motions of the protons in pure water and ZnCl 2 aqueous solutions has been performed, using incoherent quasielastic neutron scattering. It is shown that it is essential to take into account the rotational motion of the water molecules. The translational linewidth is conveniently fitted over the whole Q -range, using the Random Jump Diffusion model for which the jump length turns out to be roughly the same for pure H 2 O and the saturated solution, fairly close to the distance between protons in the water molecule.
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