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Can I read Micellar-enhanced thermochemically induced fluorescence derivatization (ME-TIFD) method for the determination of metolachlor herbicide residues in water on EtoBox?

Micellar-enhanced thermochemically induced fluorescence derivatization (ME-TIFD) method for the determination of metolachlor herbicide residues in water by Mendy, Alphonse (author);Thiaré, Diène Diégane (author);Bodian, El. Hadji Tombé (author);Sambou, Souleymane (author);Sarr, Ibrahima (author);Gaye-Seye, Mame Diabou (author);Coly, Atanasse (author) is a Chemical Engineering article available to read on EtoBox.

What is Micellar-enhanced thermochemically induced fluorescence derivatization (ME-TIFD) method for the determination of metolachlor herbicide residues in water about?

A sensitive micellar-enhanced thermochemically induced fluorescence derivatization (ME-TIFD) method for a rapid determination of metolachlor (MET) residues based on the O-phthalaldehyde (OPA)thermoproduct complex of MET (OPA-MET) was investigated. Both SDS and Brij-700 have been used as surfactant micelles. This study advocates the TIFD method analytical parameters curation. Fluorescence enhancement and its stabilization were highlighted for the OPA-MET equimolar complex in micellar aqueous solutions. The new analytical features (K: binding constant and ΔG°: Gibbs energy) for controlling thermodynamic interactions were carried out at 25 °C. Under the optimized conditions, the calibration curves were linear with correlation coefficients ranging from 0.9788 to 0.9896 at the concentration level of 10-580 ng mL -1 , and the limits of detection were 0.04-0.7 ng mL -1 at a signal-tonoise (S/N) of 3. The SPE/ME-TIFD applications combined with analysis of well and tap water spiked samples with metolachlor yield satisfactory mean recoveries (RSD) 102.2-108.1% (5.1-7.3%) and 103.6-106.0% (6.3-7.6%), respectively.

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Author
Mendy, Alphonse (author);Thiaré, Diène Diégane (author);Bodian, El. Hadji Tombé (author);Sambou, Souleymane (author);Sarr, Ibrahima (author);Gaye-Seye, Mame Diabou (author);Coly, Atanasse (author)
Publisher
Elsevier BV
Published
2021
Language
EN
Field
Chemical Engineering (Physical Sciences)

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