Multi-residue method for the analysis of 85 current-use and legacy pesticides in bed and suspended sediments
Journal of Chromatography A
By: K.L. Smalling and K.M. Kuivila
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Abstract
A multi-residue method was developed for the simultaneous determination of 85 current-use and legacy organochlorine pesticides in a single sediment sample. After microwave-assisted extraction, clean-up of samples was optimized using gel permeation chromatography and either stacked carbon and alumina solid-phase extraction cartridges or a deactivated Florisil column. Analytes were determined by gas chromatography with ion-trap mass spectrometry and electron capture detection. Method detection limits ranged from 0.6 to 8.9 ??g/kg dry weight. Bed and suspended sediments from a variety of locations were analyzed to validate the method and 29 pesticides, including at least 1 from every class, were detected.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Multi-residue method for the analysis of 85 current-use and legacy pesticides in bed and suspended sediments |
| Series title | Journal of Chromatography A |
| DOI | 10.1016/j.chroma.2008.09.023 |
| Volume | 1210 |
| Issue | 1 |
| Year Published | 2008 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | California Water Science Center, Toxic Substances Hydrology Program |
| Description | 11 p. |
| First page | 8 |
| Last page | 18 |
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