Rapid quantitative determination of residual hexane in oils by direct gas chromatography View Full Text


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Article Info

DATE

1975-04

AUTHORS

H. P. Dupuy, S. P. Fore, E. T. Rayner

ABSTRACT

A simple, direct, gas chromatographic technique is described for the quantitative determination of residual hexane in extracted vegetable oils. The method if rapid and sensitive to one ppm hexane. The inlet liner of a gas chromatograph was packed with 1 1/2 in. glass wool, and 25 mg oil was added onto it. The sample was capped with a small plug of glass wool, and the liner was inserted in the heated inlet of the gas chromatograph. Residual hexane rapidly eluted onto the Poropak P column by heat, and carrier gas was resolved in 20 min by temperature programing between 70–180 C. The method appears useful for monitoring continuous solvent removal processes. More... »

PAGES

118-120

References to SciGraph publications

  • 1973-09. Direct gas chromatographic examination of volatiles in salad oils and shortenings in JOURNAL OF THE AMERICAN OIL CHEMISTS' SOCIETY
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/bf02545088

    DOI

    http://dx.doi.org/10.1007/bf02545088

    DIMENSIONS

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