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Electrothermal atomization atomic absorption spectrometry with stabilized aqueous standards for the determination of cadmium in whole blood



Electrothermal atomization atomic absorption spectrometry with stabilized aqueous standards for the determination of cadmium in whole blood



Analytica Chimica Acta 231(2): 283-288



The use of aqueous calibration graphs obtained by addition of a mixture of (NH42HPO4 and Mg(NO3)2 was used in order to determine cadmium in blood samples diluted only with Triton X-100, using atomic absorption spectrometry with electrothermal atomization using a L'vov platform and peak-height evaluation. The addition of this mixture to the aqueous standards results in a thermal behaviour of aqueous cadmium similar to that shown by cadmium in a blood matrix. Several reference materials were analysed for cadmium by the proposed method. The results indicate that the accurate determination of blood cadmium is possible.

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Accession: 002095338

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DOI: 10.1016/s0003-2670(00)86427-2


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