Whitepaper: Mineral oil residues in food: Part 4, removing natural occurring alkanes

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Posted: 29 April 2019 | Shimadzu Europa GmbH | No comments yet

The determination of MOSH and MOAH in food can be done by an automated LC-GC-FID system for routine analysis.

Unfortunately, some food material like rice or chocolate contain natural occurring (odd numbered) alkanes in range of C₂₃ – C₃₃ which can interfere and heavily disturb the analysis of the MOSH fraction. These interferences can be removed by flash chromatography on aluminium oxide columns.

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