Cyclic oligomers in polyamide for food contact material: quantification by HPLC‐CLND and single‐substance calibration

References

• Angeli , S and Marino , P . 2007 . Determination of antioxidant stabilizers in polyamides via chromatographic separation . Int J Polym Anal Charact , 12 : 445 – 456 .
   Web of Science ®Google Scholar
• Barkby , CT and Lawson , G . 1993 . Analysis of migrants from nylon 6 packaging films into boiling water . Food Addit Contam , 10 : 541 – 553 .
   PubMed Web of Science ®Google Scholar
• Becker , UW and Braun , D . 1998 . Kunststoff‐Handbuch , Munich (Germany) : Carl Hanser 3/4 Polyamide .
   Google Scholar
• Begley , TH , Gay , M and Hollifield , HC . 1995 . Determination of migrants in and migration from nylon food packaging . Food Addit Contam , 12 : 671 – 676 .
   PubMed Web of Science ®Google Scholar
• Bonifaci , L , Frezzotti , D , Cavalca , G , Malaguti , E and Ravanetti , GP . 1991 . Analysis of e‐caprolactam and its cyclic oligomers by high‐performance liquid chromatography . J Chromatogr , 585 : 333 – 336 .
   Web of Science ®Google Scholar
• Deng , Y , Wu , JT , Zhang , H and Olah , TV . 2004 . Quantitation of drug metabolites in the absence of pure metabolite standards by high‐performance liquid chromatography coupled with a chemiluminescence nitrogen detector and mass spectrometer . Rapid Commun Mass Spectrom , 18 : 1681 – 1685 .
   PubMed Web of Science ®Google Scholar
• EN 1186:2002. Materials and articles in contact with foodstuffs – Plastics. Part 1–13
   Google Scholar
• European Commission. 2006. Commission Regulation (EC) No. 2023/2006 of 22 December 2006 on good manufacturing practice for materials and articles intended to come into contact with food. Off J Eur Comm. L 384:75
   Google Scholar
• European Commission. 2008. Commission Regulation (EC) No. 282/2008 of 27 March 2008. Off J Eur Comm. L 86:9
   Google Scholar
• European Commission. 2011. Commission Regulation (EU) No. 10/2011 of 14 January 2011 on plastic materials and articles intended to come into contact with food. Off J Eur Comm. L 12:1
   Google Scholar
• Fujinari , E and Manes , JD . 1994 . Nitrogen‐specific detection of peptides in liquid chromatography with a chemiluminescent nitrogen detector . J Chromatogr A , 676 : 113 – 120 .
   Web of Science ®Google Scholar
• Gramshaw , JW and Soto-Valdez , H . 1998 . Migration from polyamide microwave and roasting bags into roast chicken . Food Addit Contam , 15 : 329 – 335 .
   PubMedGoogle Scholar
• Guaita , C . 1984 . HPLC Analysis of cyclo‐oligoamides 6 and 66 . Makromol Chem , 185 : 459 – 465 .
   Web of Science ®Google Scholar
• Kraijnik , V , Bozek , P , Kondelikova , J and Kralicek , J . 1982 . High‐performance liquid chromatography of 6‐caprolactam and its cyclic oligomers present in polyamide 6 . J Chromatogr , 240 : 539 – 542 .
   Web of Science ®Google Scholar
• Kricheldorf , HR , Al Masri , M and Schwarz , G . 2003 . Cyclic polyamide‐6 by thermal polycondensation of ε‐caprolactam and ε‐aminocaproic acid . Macromolecules , 36 : 8648 – 8651 .
   Web of Science ®Google Scholar
• Langhammer , M , Lüderwald , I and Weingärtner , M . 1986 . Formation of large cyclic amides by catalytic depolymerization of polyamides . Makromol Chem , 187 : 829 – 835 .
   Web of Science ®Google Scholar
• Mengerink , Y , Peters , R , Kerkhoff , M , Hellenbrand , J , Omloo , H , Andrien , J , Vestjens , M and van der Wal , SJ . 2000 . Analysis of linear and cyclic oligomers in polyamide‐6 without sample preparation by liquid chromatography using the sandwich injection method. I. Injection procedure and column stability . J Chromatogr A , 876 : 37 – 50 .
   PubMed Web of Science ®Google Scholar
• Mori , S and Takeuchi , T . 1970 . Gel permeation chromatography of the cyclic monomers and oligomers in nylon 6 and nylon 66 . J Chromatogr , 49 : 230 – 238 .
   Google Scholar
• Petritis , K , Elfakir , C and Dreux , M . 2001 . HPLC‐CLND for the analysis of underivatized amino acids . LC·GC Europe July , 2001 : 389 – 394 . Available from: http://chromatographyonline.findanalytichem.com/lcgc/data/articlestandard//lcgceurope/182002/18111/article.pdf
   Google Scholar
• Rothe , M , Rothe , I , Brünig , H , Hossbach , R and Schwenke , KD . 1964 . Synthese linearer und cyclischer Oligoamide der ε‐Aminocapronsäure mit aktiven Derivaten der phosphorigen Säure und der Phosphorsäure . Makromol Chem , 75 : 122 – 129 .
   Google Scholar
• Russo , S . 1981 . Polycaprolactam cyclic oligomers . Chimica Industria , 63 : 412 – 416 .
   Google Scholar
• Sachs , L . 1997 . Angewandte Statistik – Anwendung statistischer Methoden, 8th ed , Berlin (Germany) : Springer. . Ch. 558: Vergleich zweier Regressionskoeffizienten und zweier Achsenabschnitte. p. 553–555
   Google Scholar
• Soto‐Valdez , H , Gramshaw , JW and Vandenburg , HJ . 1997 . Determination of potential migrants present in nylon microwave and roasting bags and migration into olive oil . Food Addit Contam , 14 : 309 – 318 .
   PubMed Web of Science ®Google Scholar
• Stoffers , NH , Dekker , M , Linssen , JPH , Störmer , A and Franz , R . 2003 . Alternative fatty food simulants and diffusion kinetics of nylon 12 food packaging . Food Addit Contam , 10 : 949 – 959 .
   Google Scholar
• Zahn , H , Miro , P and Schmidt , F . 1957 . Über cyclische Oligoamide aus Nylon . Chem Ber , 8 : 1411 – 1418 .
   Google Scholar
• Zahn , H and Schmidt , F . 1959 . Mono‐ und Bis‐cyclo‐hexamethylenadipinamid . Chem Ber , 92 : 1381 – 1385 .
   Google Scholar
• Zahn , H and Schmidt , F . 1960 . Weitere Synthesen von Oligomeren des Nylon‐66‐Typs . Makromol Chem , 36 : 1 – 16 .
   Google Scholar