engleski

Determinations of twelve rare earth elements in the hair samples of inhabitants of Eastern Croatia (ICP-MS).

In this study special attention is dedicated to the concentrations of rare earth elements (REEs), an often neglected group of elements in environmental and toxicological studies. During the past years, application of rare earth elements has been extensively reported in various fields including: electronics, fuel additives, modern biomedicine and agriculture [1-3]. The concentration of: Ce, Dy, Er, Eu, Gd, Ho, La, Nd, Pr, Sm, Tm and Yb in Slavonia (eastern part of Croatia) were measured for the first time 391 hair samples of residents at five localities: Vladislavci, Čepin, Dalj, Našice and Osijek. In comparison with the rare published data the maximum values of Ce (0, 33- 28, 57 µg g-1), Eu (0, 020-0, 81 µg g-1) , Gd (0, 009-4, 16 µg g-1) , La (0, 08-0, 50 µg g-1) , Nd (0, 035-29, 14 µg g-1) and Tm (<0, 001-0, 275 µg g-1 ) in our study are much higher than those reported in available literature[1-4]. Also, the average values of Ce, Eu and Sm in Vladislavci village are higher than the reported data, and reach as high as several times that of the published values. The parallel analyses showed that the exposure of the local population to rare earth elements through water and soil was generally low.

Rare earth elements ; water ; soil ; hair ; ICP-MS

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