Chemical additives in weathered microplastic in the marine environment: occurrence and risk

Chemical additives in weathered microplastic in the marine environment: occurrence and risk
Author :
Publisher : Nordic Council of Ministers
Total Pages : 58
Release :
ISBN-10 : 9789289372930
ISBN-13 : 9289372931
Rating : 4/5 (30 Downloads)

Book Synopsis Chemical additives in weathered microplastic in the marine environment: occurrence and risk by : Fauser, Patrik

Download or read book Chemical additives in weathered microplastic in the marine environment: occurrence and risk written by Fauser, Patrik and published by Nordic Council of Ministers. This book was released on 2022-04-06 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: Available online: https://pub.norden.org/temanord2022-520/ A Nordic project identified and measured residues of chemical additives in polyurethane (PUR) and polyvinyl chloride (PVC). Measurements were done in new plastic, and in plastic weathered for four months in Samnangerfjorden near Bergen. Targeted chemical analysis with GC-Orbitrap was performed for identification and GC-MS analysis for quantification. Four plasticizers were detected in PUR and three in PVC, before and after weathering: Dibutyl adipate, N-butylbenzenesulphonamide (only in PUR), dibutyl phthalate, and di-2-ethylhexyl phthalate (DEHP). Maximum concentrations were approx. 1000 ng/g plastic. Also triphenyl phosphite and octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate were identified. Risk quotients for copepods, cod and fulmar showed low risk. Additionally, non-target screening with GC-Orbitrap identified sixteen chemicals, of which two had hazard classifications.


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