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- Title
Organic Contaminants and Interactions with Micro- and Nano-Plastics in the Aqueous Environment: Review of Analytical Methods.
- Authors
Reichel, Julia; Graßmann, Johanna; Knoop, Oliver; Drewes, Jörg E.; Letzel, Thomas; Zacharis, Constantinos K.; Quirino, Joselito P.
- Abstract
Micro- and nanoplastic particles are increasingly seen not only as contaminants themselves, but also as potential vectors for trace organic chemicals (TOrCs) that might sorb onto these particles. An analysis of the sorbed TOrCs can either be performed directly from the particle or TOrCs can be extracted from the particle with a solvent. Another possibility is to analyze the remaining concentration in the aqueous phase by a differential approach. In this review, the focus is on analytical methods that are suitable for identifying and quantifying sorbed TOrCs on micro- and nano-plastics. Specific gas chromatography (GC), liquid chromatography (LC) and ultraviolet-visible spectroscopy (UV-VIS) methods are considered. The respective advantages of each method are explained in detail. In addition, influencing factors for sorption in the first place are being discussed including particle size and shape (especially micro and nanoparticles) and the type of polymer, as well as methods for determining sorption kinetics. Since the particles are not present in the environment in a virgin state, the influence of aging on sorption is also considered.
- Subjects
POLLUTANTS; ULTRAVIOLET-visible spectroscopy; LIQUID chromatography; GAS chromatography; POLYMER aging; PLASTICS
- Publication
Molecules, 2021, Vol 26, Issue 4, p1164
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules26041164