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Identification and analysis of wax esters by mass spectrometry
Authors:A J Aasen  H H Hofstetter  B T R Iyengar  R T Holman
Affiliation:(1) The Hormel Institute, University of Minnesota, 55912 Austin, Minnesota;(2) Present address: Svenska Tobaks Aktiebolaget, Maria Bangata 6, Stockholm 17, Sweden;(3) Present address: Entwicklungslabor der Chem. Fabrik Pfersee, D 8900 Augsburg, West Germany;(4) Present address: Unilever Research Laboratory, Vlaardingen, The Netherlands
Abstract:Several ions in the mass spectra of wax esters were related to the molecular structures. Assigned structures of ions were confirmed by deuterium labeling. A simple, direct method for quantititive analyses of mixtures was developed. The method involved a comparison of sets of three ions, RCO2H+, RCO2H2 + and R′−1]+ from all compounds in the mixture. The method was found applicable for mixtures of unsaturated wax esters after reduction with tetradeuterio hydrazine. Presented in part before the ISF-AOCS World Congress, Chicago, September 1970. Part III of a series of mass spectrometry of lipids. For VI see Lipids.
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