Release:
2015, Vol. 1. №1(1)About the authors:
Natalya V. Morozova , Cand. Sci. (Chem.), Associate Professor, Department of Organic and Ecological Chemistry, Tyumen State UniversityAbstract:
The assessment of the content of mercury in sediments of lakes is the important characteristics in case of an assessment of the ecological status of the studied natural object in connection with their high accumulative properties. The article provides the results of the layer by layer analysis of the distribution of the gross content of mercury in sediments of lakes belonging to different natural zones, i.e. the arctic tundra (Lakes Goltsovoye and Langatibeyto), northern taiga (Lake Pyagunto), and an average taiga (Lakes Lokhtotkurt and Rangetur) using the atomic and absorption method on the RÀ-915M mercury analyzer with the aid of the RP91Ñ fixture. It is revealed that the greatest concentration of mercury is characteristic of higher layers and surface deposits, whereas the average content of mercury in sediments of the investigated lakes considerably varies from one climatic zone to another. The highest concentrations are typical of the lakes of the middle taiga.References:
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