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Spurious interferences in the ion chromatographic determination of trace elements in human hair (1993)

Sturaro, A. ; Parvoli, G. ; Doretti, L.

Springer

Chromatographia 35 (1993), S. 675-678

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ISSN: 1612-1112

Keywords: Column liquid chromatography ; Ion chromatography ; Trace metal determination ; Sample contamination ; Human hair

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Summary The dynamic ion-exchange chromatographic analysis of bivalent ions, such as Cu, Pb, Zn, Ni, Co and Mn in resistant organic matrices needs preliminary wet ashing with oxidizing acids (HNO3 and HClO4). Such treatment may lead to an increase in the amounts of metals present in the sample due to their release from containers or equipment used in an acidic environment and to metal impurities contained in the acids. The effect of these interferences in the determination of trace metals in human hair was studied.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF02267936

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