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Determination of hexavalent chromium in bile by electrothermal atomization atomic-absorption spectrophotometry and liquid anion-exchange separation

Bestimmung von Chrom(VI) in Galle durch elektrothermale Atomabsorptions-Spektrophotometrie und Anionenaustausch

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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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Authors and Affiliations

  1. Centro Ricerche di Fisiopatologia e Sicurezza del Lavoro, Clinica del Lavoro, Università di Pavia, Italy

    C. Minoia & G. Micoli

  2. Istituto di Chimica Generale Fondazione dell'Università di Genova, Italy

    A. Mazzucotelli

  3. Istituto di Farmacologia Medica II, Università di Pavia, Italy

    P. Richelmi & C. Baldi

  4. Cattedra di Medicina del Lavoro, Università di Modena, Italy

    A. Cavalleri

Authors
  1. C. Minoia
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  2. A. Mazzucotelli
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  3. P. Richelmi
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  4. C. Baldi
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  5. A. Cavalleri
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  6. G. Micoli
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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

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