A satisfactory glc column for the determination of epoxyoleic acid in seed oils

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Abstract
A number of stationary phases were evaluated for their suitability for the analysis of methyl epoxyoleate. Ethylene glycol succinate polyester, Carbowax 20M and Apiezon 舠L螇 all showed evidence of decomposition or alteration of the compound and also a loss of area on the chromatogram. A silicone rubber (SE‐30) column did not exhibit this tendency and was found satisfactory for the determination of methyl epoxyoleate.A limitation of the use of an SE‐30 column in the analysis of mixed esters is its inability to separate effectively fatty acid esters of the same chain length. However, by chromatographing the sample on a polyester column as well as on an SE‐30 column, all of the fatty acid components of the oil can be determined quantitatively.