Microplastics Detection in Streaming Tap Water with Raman Spectroscopy

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Kniggendorf, A.K.; Wetzel, C.; Roth, B.: Microplastics Detection in Streaming Tap Water with Raman Spectroscopy. In: Sensors 19 (2018), Nr. 8, 1839. DOI: https://doi.org/10.3390/s19081839

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To cite the version in the repository, please use this identifier: https://doi.org/10.15488/4848

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Sum total of downloads: 156




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Abstract: 
Microplastic particles have been found in drinking water sources worldwide and, thus, also in our food and beverages. Especially small microplastics, with sizes of 1 mm and less, cannot be identified reliably without spectroscopic means such as Fourier transform infrared spectroscopy (FTIR) or Raman spectroscopy, usually applied to the particles extracted from the samples. However, for drinking and tap water, with its comparatively low biological loads, direct observation may be possible and allows a point-of-entry monitoring for beverages and food to ensure uncontaminated drinking water is being used. In a proof of concept, we apply Raman spectroscopy to observe individual microplastic particles in tap water with added particulate and fluorescent contaminants streaming with 1 L/h through a custom-made flow cell. We evaluated several tubing materials for compatibility with microplastic suspensions containing three di_erent polymers widely found in microplastic surveys worldwide. The experiment promises the monitoring of streaming tap water and even clear surface waters for microplastics smaller than 0.1 mm
License of this version: CC BY 4.0 Unported
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2019
Appears in Collections:Forschungszentren

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pos. country downloads
total perc.
1 image of flag of Germany Germany 99 63.46%
2 image of flag of United States United States 29 18.59%
3 image of flag of France France 6 3.85%
4 image of flag of Canada Canada 6 3.85%
5 image of flag of Russian Federation Russian Federation 4 2.56%
6 image of flag of United Kingdom United Kingdom 4 2.56%
7 image of flag of China China 3 1.92%
8 image of flag of Taiwan Taiwan 1 0.64%
9 image of flag of Turkey Turkey 1 0.64%
10 image of flag of Czech Republic Czech Republic 1 0.64%
    other countries 2 1.28%

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