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.
Official Food Control Authority of the Canton of Zürich (Kantonales Labor), Switzerland.
- Published Article
Journal of Chromatography A
- Publication Date
Oct 25, 1996
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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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/8938392