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Cation hydration and ion pairing in aqueous solution of MgCl2 and CaCl2

Friesen, Sergej, Hefter, Glenn and Buchner, Richard (2019) Cation hydration and ion pairing in aqueous solution of MgCl2 and CaCl2. Journal of Physical Chemistry B 123 (4), pp. 891-900.

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Abstract

Broadband dielec. relaxation spectroscopy (DRS) has been used to investigate aq. solns. of MgCl2 and CaCl2 up to concns. of about 1.8 mol L-​1 at 25 °C over the frequency range 0.07 ≤ ν​/GHz ≤ 89. Detailed anal. of the dominant solvent mode centered at ∼20 GHz showed that both Mg2+ and Ca2+ are strongly solvated, each immobilizing ∼20 water mols. on the DRS timescale. This is consistent with ...

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Item type:Article
Date:2019
Institutions:Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie
Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry)
Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > PD Dr. Richard Buchner
Identification Number:
ValueType
10.1021/acs.jpcb.8b11131DOI
Keywords:hydration ion pairing aq soln magnesium chloride dielec relaxation calcium chloride aq soln hydration ion pairing dielec relaxation
Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:40342
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