Diffusion of Li+ ions in concentrated solutions of LiNO3 in 1,3-diaminopropane

descriptionPublicationkeyboard_double_arrow_right Article 01 Nov 1997 English Publisher:Springer Science and Business Media LLCJournal:Journal of Solution Chemistry, volume 26, pages 1,013-1,019 (issn: 0095-9782, eissn: 1572-8927,

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Authors: Hirokazu Hayashi; Yoshio Nakamura;

doi: 10.1007/bf02768826

Diffusion of Li+ ions in concentrated solutions of LiNO3 in 1,3-diaminopropane

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Abstract

The temperature and composition dependences of the self-diffusion coefficient of Li+ ions were investigated for concentrated solutions of LiNO3 in 1,3-diaminopropane by means of the NMR spin-echo technique from 20 to 50°C. The composition dependence of the activation energy shows a bend around 30 mol % LiNO3. This is consistent with the previous results obtained from the electrical conductivity and the correlation time of the rotational motion of the solvating ions, and suggests that solvent molecules may act as bridges between Li+ ions at higher concentrations of LiNO3.

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Hokkaido Bunkyo University
Japan
Hokkaido University
Japan

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