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Analysis of standard reference materials after microwave-oven digestion in open vessels using graphite furnace atomic absorption spectrophotometry and Zeeman-effect background correction

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Summary

Heating-covered teflon digestion vials located inside a reheatable container in the presence of different acid mixtures with microwave oven dissolve the metals from biological and environmental certified reference materials. Pb, Cd, Cu, Mn and Fe from the dissolved samples are determined by graphite furnace atomic absorption spectrophotometry and Zeeman-effect background correction. The method allows the treatment of about 100 samples per operation.

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Authors and Affiliations

  1. School of Environmental Studies, Jadavpur University, P. O. Box 17026, 700032, Calcutta, India

    D. Chakraborti

  2. Department of Chemistry, Faculty of Sciences, University of Los Andes, P. O. Box 542, 5101-A, Mérida, Venezuela

    M. Burguera & J. L. Burguera

Authors
  1. D. Chakraborti
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  2. M. Burguera
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  3. J. L. Burguera
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Chakraborti, D., Burguera, M. & Burguera, J.L. Analysis of standard reference materials after microwave-oven digestion in open vessels using graphite furnace atomic absorption spectrophotometry and Zeeman-effect background correction. Fresenius J Anal Chem 347, 233–237 (1993). https://doi.org/10.1007/BF00323964

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  • DOI: https://doi.org/10.1007/BF00323964

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