1H‐NMR for the safety control of food packaging materials: Analysis of extracts from polyolefin samples
- 1 July 1992
- journal article
- research article
- Published by Taylor & Francis in Food Additives & Contaminants
- Vol. 9 (4) , 303-314
- https://doi.org/10.1080/02652039209374076
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.Keywords
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