Migration Detection of Residual Solvents from Composite Packaging Film to Food by GC-Ms
2011
An analytical method was developed to measure the migration of residual solvent from composite packaging film to food medium. By using gas chromatography / mass spectrometry, migration levels of toluene and ethyl acetate, the main residual solvents in composite packaging film were measured in food so that the migration characteristic of toluene and ethyl acetate in different simulations was studied. The results show that all the linear correlation coefficient were greater than 0.999 and the detection limit was lower than 0.005μg/ml. This method is of high sensitivity, accurate analysis of quantity and can meet the practical demands.
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