Summary
We report an electrothermal atomization atomic absorption spectrophotometric (ETA-AAS) method for the selective determination of Cr(VI) in rat bile. The method gives reproducible results (the c. v. ranged from 3.6% to 4.1% for low and high Cr(VI) bile samples respectively) and the recovery data are high varying from 98.6% to 98.7%. No detectable amounts of Cr(VI) (<0.2ppb) suggests that available chromium in rat bile samples was present as Cr(III).
Zusammenfassung
Über die selektive Cr(VI)-Bestimmung in Rattengalle mit Hilfe elektrothermaler AAS wurde berichtet. Das Verfahren gibt reproduzierbare Werte (3,6% bzw. 4,1% Fehler für niedere bzw. hohe Gehalte). 98,6 bzw. 98,7% des wahren Wertes wurden wiedergefunden. Lag die Menge Cr(VI) unter 0,2 ppb, so ist dies ein Hinweis auf das Vorhandensein von Cr(III).
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Minoia, C., Mazzucotelli, A., Richelmi, P. et al. Determination of hexavalent chromium in bile by electrothermal atomization atomic-absorption spectrophotometry and liquid anion-exchange separation. Mikrochim Acta 82, 353–360 (1984). https://doi.org/10.1007/BF01198681
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DOI: https://doi.org/10.1007/BF01198681