Features of Seasonal Changes in PAH Concentration in the Bottom Sediments of Southern Baikal in the Town of Baikal’sk Area

Khalikov, I.S.; Luk’yanova, N.N.

Авторы: Khalikov I.S., Luk’yanova N.N.
Журнал: Russian Journal of General Chemistry
Том: 93
Номер: 13
Год издания: 2023
Издательство: Maik Nauka/Interperiodica Publishing
Местоположение издательства: Russian Federation
Первая страница: 3335
Последняя страница: 3342
DOI: 10.1134/s1070363223130091
Аннотация: The content of polycyclic aromatic hydrocarbons (PAHs) in 2020‒2022 was determined for the bottomsediments from the coastal part of Southern Baikal in the zone subjected to the impact from the wastewater discharged by the former Baikal Pulp and Paper Mill (BPPM) using high-performance liquid chromatography with fluorometric detection. For the first time, the seasonal changes of the PAH content in the Lake Baikal sediments were assessed. A multidirectional change in the average concentrations of low- and high-molecular-weight polyarenes in the sediments depending on the sampling season was shown. A characteristic feature of the seasonal change in the PAHs composition of the bottom sediments collected from the BPPM wastewater discharge site is the predominance of low-molecular-weight hydrocarbons (naphthalene, phenanthrene) in the spring sampling season (March) as compared to that of high-molecular-weight (5–6-ring) PAHs in the autumn season (September). The results obtained may be of practical interest for assessing the pollution levels for the bottom sediments in all kindsof water areas at different sampling times.
Добавил в систему: Халиков Ильдус Салихович

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Features of Seasonal Changes in PAH Concentration in the Bottom Sediments of Southern Baikal in the Town of Baikal’sk Areaстатья

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