Section

Geoecology

Title

DETERMINATION OF THE CONTENT OF SELENIUM AND ELEMENTS-ANTAGONISTS IN THE SOIL OF THE MISHKINSKY DISTRICT OF THE REPUBLIC OF BASHKORTOSTAN

Сontributors

G.G. Kozlova, Ph. D. (Chemistry), Assistant Professor, This email address is being protected from spambots. You need JavaScript enabled to view it.,

S.A. Onina, Ph. D. (Chemistry), Assistant Professor, This email address is being protected from spambots. You need JavaScript enabled to view it.;

A. S. Apkadyrova, Undergraduate, This email address is being protected from spambots. You need JavaScript enabled to view it.;

S.M. Usmanov, Ph. D. (Physics and mathematics), Dr. Habil, Professor, Director, This email address is being protected from spambots. You need JavaScript enabled to view it. Birsk branch of the state budgetary educational institution of higher education "Bashkir State University"

Abstract

The article analyses the results of the research of analytical indicators of samples of soil of the Mishkinsky district of the Republic of Bashkortostan.

The article presents the results of research of the content of selenium and elements-antagonists: cadmium, copper, arsenic, lead and zinc.It was shown that according to the content of selenium in the soil, the Mishkinsky district can be attributed to the regions which have selenium deficiency. The amount of selenium within the boundaries of the region slightly varies.

Copper has the greatest concentration among the antagonists, there-fore, this element has the greatest effect on the absorption of selenium.

The effect of zinc and cadmium is unlikely because of the low content of these elements.

The content of lead is low, due to the favorable environmental conditions of the region. The amount of lead in the areas adjacent to the high-way slightly increases.

Keywords

аnalytical indicators, micronutrients, samples of soil, selenium, zinc, cadmium, copper, arsenic, lead, antagonists, synergists.

References

1.  Shakirov Yu. S. Koncentracijahimicheskihjelementov v pochvah, porodahirastenijahzapadnogo, severnogoisevero- vostochnogoregionov R. B. [The concentration of chemical elements in soils, rocks and plants of the western, northern and north-eastern regions RB]. Ph. D. thesis synopsis available at the site http://dissers.ru/avtoreferati-kandidatskih- dissertatsii1/a165.php; (in Russian)

2.  Ermakov W. B. Geohimicheskajajekologijakaksledstviesistemnogoizuchenijabiosfery. [The geochemical environment as a consequence of the systematic study of the biosphere]. Problemybiogeohimiiigeohimicheskojjekologii. [Issues of Biogeochemistry and Geochemical Ecology]. Moscow: Nauka, 1999. Vol. 23. P. 152—182. (in Russian)

3.  GOST 17.4.4.02—84 Nature Conservancy. Soils. General requirements for sampling.

4.  Schwarz R., Foltz C. M. Selenium as an integral part of Factor 3 against dietary necrotic liver degeneration. J. Amer. Chem. Soc., 1957. Vol. 79. P. 3293.

5.  Tan J., Zhu W., Wang W. et al. Selenium in soil and endemic diseases in China. Sci. Tot. Environ, 2002. Vol. 284. P. 227—235.