New aspects for the estimation of the state of the natural water
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SHVYDKYI, Viacheslav, DOLGOV, Sergey, DUBOVIK, Alexander, KOZLOV, Mikhail, POVKH, Alisa, SHISHKINA, Lyudmila, DUKA, Gh.. New aspects for the estimation of the state of the natural water. In: Chemistry Journal of Moldova, 2022, nr. 2(17), pp. 35-42. ISSN 1857-1727. DOI: https://doi.org/10.19261/cjm.2022.973
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Chemistry Journal of Moldova
Numărul 2(17) / 2022 / ISSN 1857-1727 /ISSNe 2345-1688

New aspects for the estimation of the state of the natural water

DOI: https://doi.org/10.19261/cjm.2022.973
CZU: 574.6+504.453

Pag. 35-42

Shvydkyi Viacheslav1, Dolgov Sergey2, Dubovik Alexander13, Kozlov Mikhail1, Povkh Alisa1, Shishkina Lyudmila1, Duka Gh.4
 
1 N.M.Emanuel Institute of Biochemical Physics, Russian Academy of Sciences,
2 Institute of Geography of Russian Academy of Sciences,
3 A.N.Nesmeyanov Institute of Organoelement Compounds of RAS,
4 Institute of Chemistry
 
Disponibil în IBN: 29 decembrie 2022


Rezumat

The hydrochemical composition and physicochemical properties of natural water samples from various sources in the Voronezh and Moscow regions have been studied. The highest mineralization of water was found in the snow collected near the highway, and the highest content of N-containing compounds in the water of the Usman River in the Voronezh reserve. Two model systems are proposed for assessing the state of the aquatic environment UV spectroscopy with spectrum decomposition by the Gauss method and spontaneous aggregation of lecithin in a polar medium. The presence of various organic, N- and P-containing compounds, even at low concentrations, leads to significant changes in the lecithin ability to form nanosized aggregates and change their electrophoretic properties. Based on the performed investigation, it was determined that the size of lecithin aggregates decreases, and the value of their zeta potential increases with an increase in the content of hydrophobic compounds in natural water.

Cuvinte-cheie
lecithin, hydrochemical index, Water quality, UV-Vis spectroscopy, Gauss method