期刊
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
卷 110, 期 -, 页码 150-159出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2018.10.029
关键词
Microplastics; Sampling of microplastics; Analytical procedures; FTIR; Raman spectroscopy; Staining dyes
资金
- FCT/MEC (PIDDAC) [IF/00407/2013/CP1162/CT0023]
- CESAM [UID/AMB/50017]
- FCT/MEC
- FEDER [POCI-01-0145-FEDER-028740]
- Portuguese Science Foundation (FCT) under POCH funds [SFRH/BPD/122538/2016, PD/BD/135581/2018]
- European Social Fund
- Portuguese National Funds from MEC
Microplastics are widespread contaminants, virtually present in all environmental compartments. However, knowledge on sources, fate and environmental concentration over time and space still is limited due to the laborious and varied analytical procedures currently used. In this work we critically review the methods currently used for sampling and detection of microplastics, identifying flaws in study design and suggesting promising alternatives. This work provides insights on bulk sample collection, separation, digestion, identification and quantification, and mitigation of cross-contamination. The sampling of microplastics will improve in representativeness and reproducibility through the determination of bulk sample volume, filter's pore size, density separation and digestion solutions, but also through use of novel methods, such as the enhancement of visual identification by staining dyes, and the generalized use of chemical characterization. (C) 2018 Elsevier B.V. All rights reserved.
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