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TitleA new method for the determination of water quality : technical note
Publication TypeJournal Article
Year of Publication2011
AuthorsJezierska, K, Gonet, B, Podraza, W, Domek, H
Paginationp. 127 - 130 : 2 fig., 1 tab.
Date Published2011-01-01
Keywordsresearch, sdiwat, testing, water quality

The aim of this study was to develop and test a novel screening method for determining water quality. We hypothesised that L-ascorbic acid would be a good indicator of water quality, due to its sensitivity to pollutants. We investigated the absorption spectra of L‑ascorbic acid dissolved at different concentrations in water from different sources. We defined a water quality index (WQI) as the change in maximum L-ascorbic acid absorbance at 265 nm over two arbitrarily chosen time periods, i.e. between the 1st and 10th minutes and 1st and 20th minutes. We found that a high WQI value was significantly associated with low water quality, and vice versa. The proposed technique is a quick, simple and inexpensive method for obtaining a preliminary estimate of water quality. (Authors' abstract)

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