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Int. J. Mol. Sci. 2011, 12(11), 7481-7494; doi:10.3390/ijms12117481

The “Autothixotropic” Phenomenon of Water and its Role in Proton Transfer

1
Institute Bion, Stegne 21, 1000 Ljubljana, Slovenia
2
Department of Inorganic Chemistry, Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva 5, 1000 Ljubljana, Slovenia
*
Author to whom correspondence should be addressed.
Received: 19 September 2011 / Revised: 16 October 2011 / Accepted: 20 October 2011 / Published: 31 October 2011
(This article belongs to the Section Physical Chemistry, Theoretical and Computational Chemistry)
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Abstract

In an experimental study, significantly higher conductivity values than those of freshly prepared chemically analogous solutions were found in aged (~one year old) aqueous solutions, except for those stored frozen. The results surprisingly resemble a previously noticed phenomenon in liquid water, which develops when water is stored in closed vessels. This was observed as a disturbing phenomenon in gravimetric measurements and in luminescence spectroscopy measurements. The phenomenon was termed “autothixotropy of water” due to the weak gel-like behavior which develops spontaneously over time, in which ions seem to play an important role. Here, according to experimental results we propose that contact with hydrophilic surfaces also plays an important role. The role of the “autothixotropy of water” in proton transfer is also discussed. View Full-Text
Keywords: conductivity; hydrophilic surfaces; ions; thixotropy; water conductivity; hydrophilic surfaces; ions; thixotropy; water
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Verdel, N.; Jerman, I.; Bukovec, P. The “Autothixotropic” Phenomenon of Water and its Role in Proton Transfer. Int. J. Mol. Sci. 2011, 12, 7481-7494.

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