Abstract
The degree of water structuring in solutions of four salts (CsCl, KBr, and KI with a concentration of 1M and CaCl2 with a concentration of 0.5M) has been analyzed using THz time-domain spectroscopy. It is shown that the degree of water structuring in a solution of salt, prepared based on a highly diluted aqueous solution of the same salt, differs in some cases from the degree of structuring of similar solutions prepared on the basis of highly diluted aqueous solutions of other salts and similarly prepared water. The degree of water structuring increases in salt solutions containing ions with pronounced positive hydration, decreases in salt solutions containing ions with pronounced negative hydration, and does not differs from control in salt solutions containing no ions with pronounced positive or negative hydration.
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Penkov, N.V. Peculiarities of the Perturbation of Water Structure by Ions with Various Hydration in Concentrated Solutions of CaCl2, CsCl, KBr, and KI. Phys. Wave Phen. 27, 128–134 (2019). https://doi.org/10.3103/S1541308X19020079
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DOI: https://doi.org/10.3103/S1541308X19020079