Abstract

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).

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