Determination of organochlorine pesticide residues in river sediments by soxhlet extraction with hexane-acetone
Soxhlet extraction with hexane + acetone (1 + 1 by volume) was used for the extraction of organochlorine pesticide residues from river sediments, followed by Florisil column chromatography clean‐up and determination by gas chromatography with an electron‐capture detector. Average recoveries exceedin...
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Veröffentlicht in: | Pesticide Science 1994-02, Vol.40 (2), p.121-126 |
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creator | Tan, Guan H. Vijayaletchumy, K. |
description | Soxhlet extraction with hexane + acetone (1 + 1 by volume) was used for the extraction of organochlorine pesticide residues from river sediments, followed by Florisil column chromatography clean‐up and determination by gas chromatography with an electron‐capture detector. Average recoveries exceeding 90 % were obtained using this technique. Organochlorine pesticide residue levels in sediment samples from two major rivers flowing through predominantly rice‐growing areas were determined by this method. Relatively high residue levels of organochlorine pesticides such as HCH, heptachlor and endosulfan were found in the sediments. |
doi_str_mv | 10.1002/ps.2780400206 |
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Average recoveries exceeding 90 % were obtained using this technique. Organochlorine pesticide residue levels in sediment samples from two major rivers flowing through predominantly rice‐growing areas were determined by this method. Relatively high residue levels of organochlorine pesticides such as HCH, heptachlor and endosulfan were found in the sediments.</description><identifier>ISSN: 0031-613X</identifier><identifier>ISSN: 1526-498X</identifier><identifier>EISSN: 1096-9063</identifier><identifier>DOI: 10.1002/ps.2780400206</identifier><identifier>CODEN: PSSCBG</identifier><language>eng</language><publisher>London: John Wiley & Sons, Ltd</publisher><subject>Agronomy. Soil science and plant productions ; Animal, plant and microbial ecology ; Applied ecology ; Biological and medical sciences ; Ecotoxicology, biological effects of pollution ; Fresh water environment ; Fundamental and applied biological sciences. 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Sci</addtitle><date>1994-02</date><risdate>1994</risdate><volume>40</volume><issue>2</issue><spage>121</spage><epage>126</epage><pages>121-126</pages><issn>0031-613X</issn><issn>1526-498X</issn><eissn>1096-9063</eissn><coden>PSSCBG</coden><abstract>Soxhlet extraction with hexane + acetone (1 + 1 by volume) was used for the extraction of organochlorine pesticide residues from river sediments, followed by Florisil column chromatography clean‐up and determination by gas chromatography with an electron‐capture detector. Average recoveries exceeding 90 % were obtained using this technique. Organochlorine pesticide residue levels in sediment samples from two major rivers flowing through predominantly rice‐growing areas were determined by this method. Relatively high residue levels of organochlorine pesticides such as HCH, heptachlor and endosulfan were found in the sediments.</abstract><cop>London</cop><pub>John Wiley & Sons, Ltd</pub><doi>10.1002/ps.2780400206</doi><tpages>6</tpages></addata></record> |
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subjects | Agronomy. Soil science and plant productions Animal, plant and microbial ecology Applied ecology Biological and medical sciences Ecotoxicology, biological effects of pollution Fresh water environment Fundamental and applied biological sciences. Psychology Soil and water pollution Soil science |
title | Determination of organochlorine pesticide residues in river sediments by soxhlet extraction with hexane-acetone |
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