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Simplified flow injection slurry method for direct flame atomic absorption spectrometric determination of calcium, magnesium, sodium and potassium in fruits

  • Part II Environmental Chemistry and Cycling of Metals
  • Published:
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Abstract

A rapid, direct flow injection slurry atomization flame atomic absorption spectrometric procedure for Ca, Mg, Na and K determination is shown to give reproducible and accurate results for a variety of tropical fruits. The optimized conditions obtained for instrumental, slurry formation and manner of calibration graphs preparation are detailed. Ground fruit is simply suspended by being shaken in a Triton X-100 solution. Statistical evaluation of results from certified and non-certified materials indicate that the flow injection slurry method is both accurate and comparable in precision to a traditional wet acidic sample digestion procedure.

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Authors and Affiliations

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

    J. L. Burguera & M. Burguera

  2. Department of Analysis, Faculty of Pharmacy, University of Los Andes, P.O. Box 542, 5101, Mérida, Venezuela

    Gladys Becerraa

Authors
  1. J. L. Burguera
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  2. M. Burguera
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  3. Gladys Becerraa
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Burguera, J.L., Burguera, M. & Becerraa, G. Simplified flow injection slurry method for direct flame atomic absorption spectrometric determination of calcium, magnesium, sodium and potassium in fruits. Water Air Soil Pollut 57, 489–493 (1991). https://doi.org/10.1007/BF00282912

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  • DOI: https://doi.org/10.1007/BF00282912

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