Comparison of three atomic absorption techniques for determining metals in soybean oil View Full Text


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Article Info

DATE

1975-03

AUTHORS

L. T. Black

ABSTRACT

Three different atomic absorption techniques were used to analyze metals contained in three different crude soybean oils. In the first, oil was decomposed by charring followed by high-temperature dry ashing. The ash then was dissolved in a dilute acidic aqueous medium. In the second, oil diluted with methyl isobutyl ketone as the solvent was aspirated directly. In the third, the original oil sample was ashed and the metal atomized in a sequential process by a carbon rod furnace. This third technique required only μliter quantities of an oil. The analysis for many metals was similar regardless of the technique. However, values obtained for zinc, cadmium, chromium, lead, and calcium were extremely dependent upon the technique used. More... »

PAGES

88-91

References to SciGraph publications

  • 1951-08. Spectrochemical determination of iron and copper in commercial oils in JOURNAL OF THE AMERICAN OIL CHEMISTS' SOCIETY
  • 1968-12. Determination of copper in edible soybean oils in JOURNAL OF THE AMERICAN OIL CHEMISTS' SOCIETY
  • 1968-11. Atomic absorption spectroscopy in JOURNAL OF THE AMERICAN OIL CHEMISTS' SOCIETY
  • 1971-09. Copper in edible oils: Trace amounts determined by atomic absorption spectroscopy in JOURNAL OF THE AMERICAN OIL CHEMISTS' SOCIETY
  • 1971-09. Odor and flavor responses to additives in edible oils in JOURNAL OF THE AMERICAN OIL CHEMISTS' SOCIETY
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    http://scigraph.springernature.com/pub.10.1007/bf02633044

    DOI

    http://dx.doi.org/10.1007/bf02633044

    DIMENSIONS

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