Environmental study of two significant solid samples: gravitation dust sediment and soil |
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Authors: | Dagmar Remeteiová Radoslav Rusnák Eva Kucanová Beáta Fióová Silvia Ru?i?ková Ilona Fekete Márk Horváth Vojtech Dirner |
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Institution: | 1.Department of Chemistry, Faculty of Metallurgy,Technical University of Ko?ice,Ko?ice,Slovakia;2.Department of Chemistry and Biochemistry,Szent István University,G?d?ll?,Hungary;3.Department of Environmental Engineering, Faculty of Mining and Geology,Technical University of Ostrava,Ostrava,Czech Republic |
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Abstract: | In this work are presented results of the complex study of two significant solid environmental samples: gravitation dust sediments
(industrial pollutants, potential source of risk elements input to soils) and soils (component of the environment, potential
source of risk elements input to food web). The first phase of this study was focused on the study of the significant chemical
properties (phase composition, content of organic and inorganic carbon) of the dust and soil samples. In the second phase,
the fractionation analysis was used on the evaluation of the mobility of chosen risk elements (Cu, Ni, Pb, Zn) in the studied
samples. The single-step extractions were applied in the order of the isolation of the element forms (fractions), with different
mobilities during defined ecological conditions by utilization of the following reagents: 1 mol dm − 3 NH4NO3 for isolation of the “mobile” fraction, 0.05 mol dm − 3 ethylenediaminetetraacetic acid and 0.43 mol dm − 3 CH3COOH for isolation of the “mobilizable” fraction, and 2 mol dm − 3 HNO3 for isolation of all releasable forms. On the basis of the results obtained in this study, it is possible to state that different
origins and positions of solid environmental samples in the environment reflect in different chemical properties of their
matrix. The different properties of the sample matrix result in different mobilities of risk elements in these kinds of samples.
The fractionation analysis with single-step extraction for isolation element fractions is the method most suitable for easy
checking of environmental pollution and for evaluation of risk elements cycle in the environment. |
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