ORIGINAL RESEARCH
Single-Stage Extraction to Assess Metals
Bioavailability from Smelting Dust
Edyta Melaniuk-Wolny1, Kamila Widziewicz2, Zdzisław Adamczyk3, Katarzyna Nowińska3, Magdalena Żak1
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1Department of Air Protection, Faculty of Energy and Environmental Engineering,
Silesian University of Technology, Akademicka 2, 44-100 Gliwice, Poland
2Department of Water and Wastewater Engineering, Faculty of Energy and Environmental Engineering,
Silesian University of Technology, Konraskiego 18, 44-100 Gliwice, Poland
3Faculty of Mining and Geology, Institute of Applied Geology, Silesian University of Technology,
Akademicka 2, 44-100 Gliwice, Poland
Pol. J. Environ. Stud. 2014;23(6):2117-2124
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ABSTRACT
This paper examines the amount of bioavailable Zn, Cd, and Pb in dust samples derived from a zinclead
smelter by means of single-stage extraction analysis. The efficiency of three extractants (NH4OAc, CaCl2,
and H2O) was compared with respect to their efficiency toward bioaccessible (exchangeable) metals fraction.
The highest amount of metals was NH4OAc extractable, indicating that the acetate-soluble fraction was a prevailing
form in the analyzed dust and probably associated with the presence of metals in conjunction with soluble
sulfates (ZnSO4, PbSO4). The largest amount of bioavailable Zn, Pb, and Cd was extracted from the finest
dust particles, considered most dangerous for human health.