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  • Title: 1H-NMR for the safety control of food packaging materials: analysis of extracts from polyolefin samples.
    Author: Ehret-Henry J, Bouquant J, Scholler D, Klinck R, Feigenbaum A.
    Journal: Food Addit Contam; 1992; 9(4):303-14. PubMed ID: 1337326.
    Abstract:
    A new approach for the identification of the additives in extracts of packaging plastics, using proton nuclear magnetic resonance (1H-NMR), is presented. The technique can be used in a preliminary step for the determination of contaminants potentially released by the food packaging materials; it may greatly reduce the time required to identify the constituents of the materials, either individually or as functional classes. A classification of the EEC additives is proposed on the basis of chemical shift. 1H-NMR can also be used as a fingerprint technique in the quality control of the food packaging materials.
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