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Determination of cyclobutanones

Sample preparation. To determine cyclobutanones in irradiated food it is necessary to isolate the lipids. This can be performed as described for hydrocarbons (Section 7.3.1). Because of the polar character of cyclobuta-none the separation of cyclobutanones from triglycerides is more difficult. Cold-finger distillation can be used but chromatographic techniques seem to be more suitable. Column chromatography using florisil has been applied successfully in order to solve the problem. Therefore the sorbent has to be deactivated carefully with about 5% water. This method can be optimized by the operator. The chemicals must be tested to exclude contamination with interfering substances. Since cyclobutanones do not appear naturally they cannot contaminate the reagents. [Pg.257]

Gas chromatography. GC can be carried out using the columns described for hydrocarbon analysis (Section 7.3.1). The temperature program can be [Pg.257]


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