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Simple, specific analysis of organophosphorus and carbamate pesticides in sediments using column extraction and gas chromatography

Environmental Toxicology and Chemistry

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Abstract

A simple, specific procedure was developed for the analysis of organophosphorus and carbamate pesticides in sediment. The wet soil was mixed with anhydrous sodium sulfate to bind water and the residues were column extracted in acetone:methylene chloride (1:l,v/v). Coextracted water was removed by additional sodium sulfate packed below the sample mixture. The eluate was concentrated and analyzed directly by capillary gas chromatography using phosphorus and nitrogen specific detectors. Recoveries averaged 93 % for sediments extracted shortly after spiking, but decreased significantly as the samples aged.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Simple, specific analysis of organophosphorus and carbamate pesticides in sediments using column extraction and gas chromatography
Series title:
Environmental Toxicology and Chemistry
Volume
7
Issue:
9
Year Published:
1988
Language:
English
Contributing office(s):
Patuxent Wildlife Research Center
Description:
749-752
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
749
Last page:
752
Number of Pages:
4