TITLE

Development and Validation of an Analytical Method to Determine Fipronil and its Degradation Products in Soil Samples

AUTHOR(S)
Flores-Ramírez, R.; Batres-Esquivel, L.; Díaz-Barriga Martínez, F.; López-Acosta, I.; Ortiz-Pérez, M.
PUB. DATE
October 2012
SOURCE
Bulletin of Environmental Contamination & Toxicology;Oct2012, Vol. 89 Issue 4, p744
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The aim of this study was to develop a methodology for identifying and quantifying Fipronil and its degradation products in soil by gas chromatography-electron capture detector previously extracted using a focused ultrasound probe. This methodology was obtaining a range of recovery between 85 % and 120 %, decreasing approximately solvent used time and cost, respect to other methodologies such as bath ultrasonic, solid-phase extraction, liquid-liquid extraction and soxhlet. The method was validated in fortified matrix, presented linearity in the range of 25-400 μg kg, and limit of detection for Fipronil and their products desulfinyl, sulfide and sulfone was 14.7, 9.8, 8.9 and 10.7 μg kg, respectively. This process was applied to samples of agricultural soils, where two degradation products desulfinyl and sulfone were found.
ACCESSION #
79823960

 

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