A comparison of microscopic and spectroscopic identification methods for analysis of microplastics in environmental samples
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Title
- A comparison of microscopic and spectroscopic identification methods for analysis of microplastics in environmental samples
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Author(s)
- Song, Young Kyoung; Hong, Sang Hee; Jang, Mi; Han, Gi Myung; Rani, Manviri; Lee, Jongmyoung; Shim, Won Joon
- KIOST Author(s)
- Hong, Sang Hee(홍상희); Jang, Mi(장미); Han, Gi Myung(한기명); Shim, Won Joon(심원준)
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Alternative Author(s)
- 송영경; 홍상희; 장미; 한기명; MANVIRI; 심원준
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Publication Year
- 2015-04-15
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Abstract
- The analysis of microplastics in various environmental samples requires the identification of microplastics from natural materials. The identification technique lacks a standardized protocol. Herein, stereomicroscope and Fourier transform infrared spectroscope (FT-IR) identification methods for microplastics (<1 mm) were compared using the same samples from the sea surface microlayer (SML) and beach sand. Fragmented microplastics were significantly (p < 0.05) underestimated and fiber was significantly overestimated using the stereomicroscope both in the SML and beach samples. The total abundance by FT-IR was higher than by microscope both in the SML and beach samples, but they were not significantly (p > 0.05) different. Depending on the number of samples and the microplastic size range of interest, the appropriate identification method should be determined; selecting a suitable identification method for microplastics is crucial for evaluating microplastic pollution. (C) 2015 Elsevier Ltd. All rights reserved.
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ISSN
- 0025-326X
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/2502
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DOI
- 10.1016/j.marpolbul.2015.01.015
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Bibliographic Citation
- MARINE POLLUTION BULLETIN, v.93, no.1-2, pp.202 - 209, 2015
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Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
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Subject
- PLASTIC MARINE DEBRIS; PARTICLES; BEACHES; ACCUMULATION; SEDIMENTS; SEA; NORTH; OCEAN
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Keywords
- Microplastics; Identification; Stereomicroscope; FT-IR microscope
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Type
- Article
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Language
- English
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Document Type
- Article
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