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Ultraviolet absorption of contaminants in water
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Spangenberg, Martin, Bryant, James I., Gibson, Sam J, Mousley, Philip, Ramachers, Yorck and Bell, Gavin R. (2021) Ultraviolet absorption of contaminants in water. Scientific Reports, 11 (1). 3682. doi:10.1038/s41598-021-83322-w
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Official URL: https://doi.org/10.1038/s41598-021-83322-w
Abstract
Contaminants in water were studied using ultraviolet absorption with light emitting diode and deuterium lamp sources, and a thresholding detector. The absorption spectra of potassium hydrogen pthalate, clothianidin, tryptophan, thiamethoxam, uric acid and metaldehyde were obtained in the range 200-360 nm. Only metaldehyde was not suitable for detection in this range. For the other contaminants, and mixtures of pairs of compounds, the transmitted signal could be approximately described with a simple spectral model of the source-absorption-detector system. Combined measurements at two wavelengths could allow relative concentrations in certain mixtures to be determined, and real-time absorption measurements were demonstrated in a flume.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science > Physics | ||||||
| SWORD Depositor: | Library Publications Router | ||||||
| Journal or Publication Title: | Scientific Reports | ||||||
| Publisher: | Springer Nature | ||||||
| ISSN: | 2045-2322 | ||||||
| Official Date: | 11 February 2021 | ||||||
| Dates: |
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| Volume: | 11 | ||||||
| Number: | 1 | ||||||
| Article Number: | 3682 | ||||||
| DOI: | 10.1038/s41598-021-83322-w | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access |
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