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Correlation between the Increasing Conductivity of Aqueous Solutions of Cation Chlorides with Time and the “Salting-Out” Properties of the Cations

Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, 1000 Ljubljana, Slovenia
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Academic Editor: Kevin H. Knuth
Entropy 2016, 18(3), 66; https://doi.org/10.3390/e18030066
Received: 12 September 2015 / Revised: 25 January 2016 / Accepted: 14 February 2016 / Published: 24 February 2016
The time-dependent role of cations was investigated by ageing four different aqueous solutions of cation chlorides. A linear correlation was found between the cations’ Setchenov coefficient for the salting-out of benzene and the increase in the conductivity with time. The conductivity of the structure-breaking cations or the chaotropes increased more significantly with time than the conductivity of the kosmotropes. Since larger water clusters accelerate the proton or hydroxyl hopping mechanism, we propose that the structuring of the hydration shells of the chaotropes might be spontaneously enhanced over time. View Full-Text
Keywords: thixotropy; conductivity; water; Hofmeister series; Setchenov coefficient for salting-out; exclusion zone; magnetic effect thixotropy; conductivity; water; Hofmeister series; Setchenov coefficient for salting-out; exclusion zone; magnetic effect
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Verdel, N.; Bukovec, P. Correlation between the Increasing Conductivity of Aqueous Solutions of Cation Chlorides with Time and the “Salting-Out” Properties of the Cations. Entropy 2016, 18, 66.

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