| Autor: |
Alphonse Tine, François Delattre, Atanasse Coly, Cheikh Sall, Adama Saba, Khémesse Kital, Pape Abdoulaye Diaw, Diène Diegane Thiaré, Diégane Sarr |
| Rok vydání: |
2022 |
| Předmět: |
|
| Zdroj: |
Asian Journal of Chemical Sciences. :49-59 |
| ISSN: |
2456-7795 |
| DOI: |
10.9734/ajocs/2022/v12i3223 |
| Popis: |
In order to predict the fate of fluometuron in the aquatic environment and to assess the risk that it may pose, we studied its photolysis reaction in aqueous media. This reaction was monitored by UV absorption and fluorescence spectroscopy. UV irradiation source consisting of a 254 nm mercury lamp was used. The study showed that fluometuron is unstable under the effect of light radiation when irradiated in water. The absorption band and the emission of this product were at 244 nm and 325 nm respectively. This study also shows that the photodegradation of fluometuron in water follows first order kinetics regardless of the method followed. However, a difference was noted in the half-life times (t1/2). Indeed, these times found in UV and fluorescence are respectively 18.2 min and 6.6 min. The relatively lower value obtained in fluorescence could be explained by the fact that the latter is more sensitive to UV and fluorescence. In all cases, the half-lives found were relatively short (t1/2 |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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