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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Detection Methods Environmental Sources Marine & Wildlife Sign in to save

Characterization of Microplastics from Otammiri River Imo State, Nigeria

Asian Journal of Environment & Ecology 2024
Chidimma Adamma Nduka-Chukwudi, Josephat Nwabueze Okereke, Josephat Nwabueze Okereke, I. C. Mgbemena, Ethelbert Uchechukwu Ezeji

Summary

Researchers characterized microplastics from Otammiri River in Imo State, Nigeria using NOAA surface water trawling protocols, finding particles ranging from 0.3 to 5 mm that were resistant to wet oxidation, floated in 5M NaCl solution, and were identified by FTIR spectroscopy.

Polymers
PE PET PP PS PU
Study Type Environmental

This study characterized microplastics from Otammiri River, Imo state, Nigeria. The study was carried out according to the National Oceanic and Atmospheric Administration (NOAA) protocol for surface water trawling for microplastics. The microplastics characterized were at the range of 0.3 mm to 5mm which were resistance to wet oxidation and exhibited flotation in a 5M NaCl. Fourier-transform infrared spectroscopy (FTIR) examination was used to characterize the microplastics for identification. FTIR results revealed that polypropylene (PP), polyethylene (PE), polyethylene terephthalate (PET) polystyrene (PS), and polyurethane were the predominant polymers (microplastics) found across Otammiri river.

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