Abstract
Changes occurring in deionized water with time, recorded by dynamic light scattering, have been investigated. It is demonstrated that the mean size of optical inhomogeneities in deionized water, formed under an external mechanical impact, depends on the storage time of water (from its preparation to mechanical impact). Presumably, these optical inhomogeneities can be considered as submicron air bubbles. The recorded changes in sizes occurring in the course of time may be related to the saturation of water with air and increase in its ionic strength. It is also shown that a mechanical impact on water is a complex physical process changing its physicochemical properties and that the consequences of mechanical impact on water are retained for at least a week. The data obtained may be useful for standardizing the deionized water used in experimental studies.
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ACKNOWLEDGEMENTS
This work was performed on the equipment of the Optical Microscopy and Spectrophotometry core facility of the Federal Research Center “Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences” (http://www.ckp-rf.ru/ckp/670266/).
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Translated by Yu. Sin’kov
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Penkov, N.V. Temporal Dynamics of the Scattering Properties of Deionized Water. Phys. Wave Phen. 28, 135–139 (2020). https://doi.org/10.3103/S1541308X20020132
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DOI: https://doi.org/10.3103/S1541308X20020132