ORIGINAL RESEARCH
Determination of Heavy Metal Contents in Samples of Medicinal Herbs
I. Baranowska, K. Srogi, *A. Włochowicz, *K. Szczepanik
Department of Analytical and General Chemistry, Silesian Technical University;
Strzody 7, 44-100 Gliwice, Poland
* University of Bielsko-Biała;
Plac Fabryczny, 43-300 Bielsko-Biała, Poland
Strzody 7, 44-100 Gliwice, Poland
* University of Bielsko-Biała;
Plac Fabryczny, 43-300 Bielsko-Biała, Poland
Pol. J. Environ. Stud. 2002;11(5):467–471
KEYWORDS
ABSTRACT
The heavy metals Cd, Pb, Zn, Ni and Mo were determined in 27 samples of medicinal herbs taken from
various places in Bielsko Biała and the neighbouring area. Samples were digested by the wet method in
a microwave oven. Flame AAS and differential pulse polarography (anodic and stripping voltammetry) were
used for determination of these metals. Oriental tobacco (CTA-ATL-1) as the certified reference material
was applied for calibration and validation of analytical procedures.
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