Comparative evaluation of the carbonyl index of microplastics around the Japan coast

Comparative evaluation of the carbonyl index of microplastics around the Japan coast

The carbonyl index (CI) of polyethylene and polypropylene microplastics (MPs) (2950 particles) collected in coastal waters around Japan was investigated. The CI of MPs was calculated by the specified area under band technique. The mean MP CI in all samples (regardless of shape and color) was 0.69 ± ...

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Veröffentlicht in:Marine pollution bulletin 2023-05, Vol.190, p.114818-114818, Article 114818
Hauptverfasser: Celik, Murat, Nakano, Haruka, Uchida, Keiichi, Isobe, Atsuhiko, Arakawa, Hisayuki
Format: Artikel
Sprache:eng
Schlagworte:
Carbonyl index
Environmental Monitoring - methods
Fourier Transform Infrared Spectroscopy
Japan
Microplastic
Microplastics
Plastics
Polyethylene
Polyethylene - analysis
Polypropylene
Polypropylenes
Water Pollutants, Chemical - analysis
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Zusammenfassung:The carbonyl index (CI) of polyethylene and polypropylene microplastics (MPs) (2950 particles) collected in coastal waters around Japan was investigated. The CI of MPs was calculated by the specified area under band technique. The mean MP CI in all samples (regardless of shape and color) was 0.69 ± 0.34 and 0.70 ± 0.34 for polyethylene and polypropylene, respectively, and there was no significant difference in the color or shape of the MPs. The polyethylene, white, and fragment MPs CI was negatively (p 
ISSN:0025-326X
1879-3363
DOI:10.1016/j.marpolbul.2023.114818