Summary
The optimization of the heating conditions, absorbance profiles, the influence of different matrix composition and the effect of delivering different volumes of urine samples were examined in order to evaluate the use of simple aqueous standards for the determination of cadmium in urine samples, using atomic absorption spectrometry with electrothermal atomization and the L'vov platform. Three reference materials were analysed for cadmium by the proposed method. The results indicate that a direct and accurate determination of urine cadmium is possible by using simple aqueous calibration standards, independently of the composition of the urine matrix.
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Fraile, R., de Benzo, Z.A. & Velosa, M. Determination of cadmium in urine by platform ET-AAS independent of matrix composition. Fresenius J Anal Chem 343, 319–323 (1992). https://doi.org/10.1007/BF00322382
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DOI: https://doi.org/10.1007/BF00322382