Journal
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
Volume 86, Issue 1, Pages 18-22Publisher
SPRINGER
DOI: 10.1007/s00128-010-0176-9
Keywords
Pesticides; QuEChERS method; Water; Sediment
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Funding
- Sao Paulo State Research Foundation (FAPESP)
- National Research Council (CNPq)
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A method for the determination of pesticide residues in water and sediment was developed using the QuEChERS method followed by gas chromatography - mass spectrometry. The method was validated in terms of accuracy, specificity, linearity, detection and quantification limits. The recovery percentages obtained for the pesticides in water at different concentrations ranged from 63 to 116%, with relative standard deviations below 12%. The corresponding results from the sediment ranged from 48 to 115% with relative standard deviations below 16%. The limits of detection for the pesticides in water and sediment were below 0.003 mg L(-1) and 0.02 mg kg(-1), respectively.
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