Abstract
Trace tellurium in urine was determined by hydride generation atomic absorption spectrometry. The urine was digested with HNO3-HClO4 and evaporated to dryness. Tellurium(VI) in the urine was reduced to tellurium(IV) by hydrochloric acid during the drying step. The residue was dissolved into 6 M hydrochloric acid, and introduced into a hydride generation atomic absorption spectrometer. Recoveries of tellurium added to urine samples ranged from 90 to 95%; the relative standard deviation was 9% at the 0.1 μg level. The tellurium contents in urine ranged from 0.02 to 1.63 μg l-1.
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Kobayashi, R., Imaizumi, K. Determination of Tellurium in Urine by Hydride Generation Atomic Absorption Spectrometry. ANAL. SCI. 7, 447–450 (1991). https://doi.org/10.2116/analsci.7.447
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DOI: https://doi.org/10.2116/analsci.7.447