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SILVER ION THIN-LAYER CHROMATOGRAPHY OF FATTY ACIDS. A SURVEY

Silver ion thin-layer chromatography (Ag-TLC) as used for the separation of fatty acids according to the number, configuration, and position of double bonds, is surveyed in this paper. The efficiency of Ag-TLC/gas chromatography for determination of trans-fatty acids in food is emphasized. Described is the possibility for in situ quantification of fatty acids by photodensitometry. Some aspects of the possible interaction mechanism with silver ions in relation to recent studies are also discussed.