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Study of Tetraethylammonium and Lithium Chlorides Dissociation in Acetonitrile Solutions

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Abstract

Solutions of tetraethylammonium and lithium chlorides in acetonitrile were studied by electronic absorption spectroscopy. It was shown that at concentrations up to 100 mmol/L tetraethylammonium chloride completely dissociates. The association constant of lithium chloride in acetonitrile (Kass = 4800 mol–1 L) was determined by the spectrophotometric method. The electronic absorption spectra of the Li+Cl– ionic pair and Cl– anion in acetonitrile were studied.

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Funding

The measurements were performed in the Research Park of St. Petersburg State University (Interdisciplinary Resource Centre for Nanotechnology, Centre for Optical and Laser Materials Research, Centre for Molecular and Cell Technologies, and Cryogenic Department).

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Authors and Affiliations

  1. St. Petersburg State University, 199034, St. Petersburg, Russia

    A. A. Vidiakina, N. A. Bogachev, M. Yu. Skripkin & A. S. Mereshchenko

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  1. A. A. Vidiakina
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  2. N. A. Bogachev
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  3. M. Yu. Skripkin
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  4. A. S. Mereshchenko
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Correspondence to A. S. Mereshchenko.

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No conflict of interest was declared by the authors.

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Vidiakina, A.A., Bogachev, N.A., Skripkin, M.Y. et al. Study of Tetraethylammonium and Lithium Chlorides Dissociation in Acetonitrile Solutions. Russ J Gen Chem 90, 1703–1705 (2020). https://doi.org/10.1134/S1070363220090170

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  • DOI: https://doi.org/10.1134/S1070363220090170

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