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| Natura: | Artículo científico |
| Lingua: | en |
| Pubblicazione: |
Universidad del Valle
2021
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| Accesso online: | https://www.redalyc.org/articulo.oa?id=291368646015 https://www.redalyc.org/journal/2913/291368646015/ https://www.redalyc.org/journal/2913/291368646015/html/ https://www.redalyc.org/journal/2913/291368646015/291368646015.epub https://www.redalyc.org/journal/2913/291368646015/movil |
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Sommario:
- Applicability of UV absorbance as an indicator of Atrazine presence into risk management of water supply watersheds Patricia Torres-Lozada Luz E. Barba-Ho Lina Fuentes-López Camilo H. Cruz-Velez Andrea Perez-Vidal Wilmar A. Torres-López Ingeniería Atrazine Land uses Pesticide UV Absorbance Risk management The type of hazards and hazardous events in watersheds, depend on land uses around them. Atrazine is an organic pollutant widely applied as a pesticide and it is a potential chemical hazard present in water sources, which cause water pollution and negative effects on aquatic life and human health, due to its high solubility and persistence in soil. However, for developing countries, monitoring and quantification of atrazine can be complex and costly; thus, to contribute to establishing strategies for risk assessment in water supply watersheds, it was evaluated the potential use of an easy, rapid, and low-cost technique such as ultraviolet (UV) absorbance to identify the presence of atrazine. It was conformed distilled and surface water samples doped with Atrazine, and there were correlated with the UV typical spectrum indicator of organic material presence (wavelength λ: 200 - 300 nm). The optimal λ range was 203 - 223 nm to identify this substance at levels possible to be found in surface sources, being UV223 more adequate than UV254, which is more used to identify the presence of natural organic matter, which shows that UV223 is a complementary tool to chemical risk assessment for atrazine in drinking water supply systems. 2021 artículo científico 0123-3033 https://www.redalyc.org/articulo.oa?id=291368646015 https://www.redalyc.org/journal/2913/291368646015/ https://www.redalyc.org/journal/2913/291368646015/html/ https://www.redalyc.org/journal/2913/291368646015/291368646015.epub https://www.redalyc.org/journal/2913/291368646015/movil 10.25100/iyc.v23i2.10968 en http://www.redalyc.org/revista.oa?id=2913 Ingeniería y Competitividad application/pdf Universidad del Valle Ingeniería y Competitividad (Colombia) Num.2 Vol.23