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Selection of internal standards for determining quantitative recovery of isoprenoid acids after urea complexing

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Journal of the American Oil Chemists’ Society

Abstract

Various types of esters are considered as internal standards for the quantitative gas liquid Chro-matographic determination of isoprenoid fatty acids after urea complex treatment of esters of total or saturated fatty acids. It is shown that aromatic esters are potentially unsuitable because of on-column losses with polyester columns. Two classes of ali-phatic esters, either of 2-ethyl-l-hexanol, or of 3-cyclohexylpropionic acid, have been evaluated as satisfactory and certain gas liquid Chromatographic retention data is given to show which ester might be selected for a particular application.

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Authors and Affiliations

  1. Environment Canada,Fisheries and Marine Service, Halifax Laboratory, B3J 2R3, Halifax, NovaScotia, Canada

    R. G. Ackman, J. C. Sipos & S. N. Hooper

  2. Health and Welfare Canada,Health Protection Branch, Atlantic Region Laboratories, 1557 HollisStreet, B3J 2R7, Halifax, Nova Scotia, Canada

    G. Dube

Authors
  1. R. G. Ackman
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  2. J. C. Sipos
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  3. S. N. Hooper
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  4. G. Dube
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Ackman, R.G., Sipos, J.C., Hooper, S.N. et al. Selection of internal standards for determining quantitative recovery of isoprenoid acids after urea complexing. J Am Oil Chem Soc 54, 199–201 (1977). https://doi.org/10.1007/BF02676274

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  • DOI: https://doi.org/10.1007/BF02676274

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