Determination of Flumethrin and Tau- Fluvalinate Pyrethroid Insecticides in Surface and Groundwater by Photochemically Induced Fluorescence (PIF) - Université de Bretagne Occidentale Access content directly
Journal Articles Analytical Letters Year : 2022

Determination of Flumethrin and Tau- Fluvalinate Pyrethroid Insecticides in Surface and Groundwater by Photochemically Induced Fluorescence (PIF)

Diène Diégane Thiaré
Olivier Maurice Aly Mbaye
  • Function : Author
Ndeye Arame Diop
  • Function : Author
Pape Abdoulaye Diaw
  • Function : Author
Atanasse Coly

Abstract

Flumethrin and tau-fluvalinate pyrethroid insecticides were determined in natural water using photochemically induced fluorescence (PIF). As these pesticides are not naturally fluorescent, PIF using ultraviolet irradiation was employed to produce highly fluorescent derivatives. This method was optimized for irradiation interval, solvent and pH. The calibration curves were linear with limits of detection (LOD) from 0.5 to 73.8 ng mL−1 without matrix effects. Applications were carried out in aqueous solutions on tap water, seawater, well water and river water from Niayes, Senegal and the Brest, France using solid phase extraction and standard addition procedures. The samples were analyzed with mean recoveries between 99.0 and 109.0%. The analytical performances of these systems were favorable compared with published photoinduced fluorescence methods for the determination of pyrethroids. The results show that the developed PIF method is suitable for the determination of trace organic pollutants in natural waters.
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Dates and versions

hal-03621513 , version 1 (28-03-2022)

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El Hadji Tombé Bodian, Diène Diégane Thiaré, Jean Pierre Bakhoum, Olivier Maurice Aly Mbaye, Ndeye Arame Diop, et al.. Determination of Flumethrin and Tau- Fluvalinate Pyrethroid Insecticides in Surface and Groundwater by Photochemically Induced Fluorescence (PIF). Analytical Letters, 2022, pp.1-17. ⟨10.1080/00032719.2022.2040524⟩. ⟨hal-03621513⟩
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