The Content of Microelements and Trace Elements in Raw Milk from Cows in the Silesian Region
Z. Dobrzański1, R. Kołacz1, H. Górecka2, K. Chojnacka2, A. Bartkowiak1
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1Department of Animal Hygiene and Environment, Agricultural University, Chełmońskiego 38c, 51-630 Wrocław, Poland
2Institute of Inorganic Technology and Mineral Fertilizers,
Wroclaw University of Technology, Smoluchowskiego 25, 50-372, Wrocław, Poland
Pol. J. Environ. Stud. 2005;14(5):685–689
The content of 38 microelements and trace elements in raw milk of cows from Lower Silesia (LS) and Upper Silesia (US) were examined. Analytical method of mass spectrometry (ICP-MS) with microwave sample digestion was used in this study. Statistically significant differences were detected in the case of iodine, rubidium, cesium, tungsten and thorium (more in the US region) as well as aluminum, titanium, manganese, gallium, selenium, germanium, cobalt (more in LS). No statistically significant differences were observed in the case of: Zn, Ba, Cu, Cr, V, Ni, As, Mo, Pt, Sb, Au, Hf, Ce, U, Re, Tl, Ru, Rh, Ir, Ta and Be. For La, Nb, Ag, In and Y statistical differences were not calculated since in the majority of samples concentrations were below detection limit.