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Determination of trace metal content in corn oil by atomic absorption spectroscopy

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Journal of the American Oil Chemists’ Society

Abstract

Atomic absorption spectrophotometry is used for the determination of Cu, Fe, K, Na, Ni and Zn in industrial refined corn oil. The results of five different analytical techniques are compared. Fair agreement is obtained between the char-ashing method and the dilution proce-dure. Char ashing is a sensitive and useful technique, if handled correctly. Dilution, coupled to carbon-rod atomization, is a reliable method. To eliminate errors, due to sample loss, a proper injection technique is required. Extraction methods suffer from incomplete recoveries, owing to deficient break up of the organometallic com-pounds in oil

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Authors and Affiliations

  1. Department of Agriculture, Laboratory of Oil Chemistry, Catholic University of Leuven, de Croylaan 42, 3030, Heverlee, Belgium

    B. Ooms & W. Van Pee

Authors
  1. B. Ooms
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  2. W. Van Pee
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Ooms, B., Van Pee, W. Determination of trace metal content in corn oil by atomic absorption spectroscopy. J Am Oil Chem Soc 60, 957–960 (1983). https://doi.org/10.1007/BF02660207

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  • DOI: https://doi.org/10.1007/BF02660207

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