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On-line high-performance liquid chromatography-solvent evaporation-high-performance liquid chromatography-capillary gas chromatography-flame ionisation detection for the analysis of mineral oil polyaromatic hydrocarbons in fatty foods.

Authors
  • Moret, S1
  • Grob, K
  • Conte, L S
  • 1 Official Food Control Authority of the Canton of Zürich (Kantonales Labor), Switzerland. , (Switzerland)
Type
Published Article
Journal
Journal of Chromatography A
Publisher
Elsevier
Publication Date
Oct 25, 1996
Volume
750
Issue
1-2
Pages
361–368
Identifiers
PMID: 8938392
Source
Medline
License
Unknown

Abstract

An automated on-line method is described that involves a first LC separation on a large column, evaporation of a 6-ml fraction in an on-line solvent evaporator, a second LC separation using a different mobile phase, fractionating the components of interest and transfer to GC through the in-line vaporizer/overflow interface. The method is designed for the injection of a large amount of food extract (e.g. up to 200 mg of fat) and is applied to the analysis of mineral oil material in a linseed oil.

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