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Improved Method for the Determination of Cypermethrin in Sarawak Soils

Chai, Lian Kuet, and Norhayati Mohd Tahir, and Hansen, Hans Christian Bruun, (2007) Improved Method for the Determination of Cypermethrin in Sarawak Soils. Malaysian Journal of Science, 26 (1). pp. 109-117. ISSN 13943065

Full text not available from this repository.

Official URL: http://www.ejum.fsktm.um.edu.my/

Affiliations

Agriculture Research Centre (Sarawak).
Universiti Malaysia Terengganu. Faculty of Science & Technology.
University of Copenhagen. Faculty of Life Sciences. Dept. of Natural Sciences.

Abstract

A gas chromatographic method was developed to determine cypermethrin residues in top and subsoil horizons of three types of Sarawak soils, viz. Semongok (Paleudults), Tarat (Udorthents) and Balai Ringin (Kandiudults) soils. Fourteen different horizons of top and subsoils varying in content of clay (6 - 67 %) and soil organic carbon (0.22 - 2.20 %) were used in the study. Soil samples were spiked with cypermethrin at three concentration levels (0.01, 0.1 and 1 mg/kg) and subsequently extracted for one hour with hexane and acetone at room temperature. This extraction was then followed by liquid-liquid extraction with dichloromethane before determination of cypermethrin by use of GC-ECD. There were no interfering peaks seen in GC chromatograms and therefore no clean-up of the extracts was needed. The recoveries ranged between 80.0 % and 101.2 % with standard deviations ranging between 0.6 % and 9.9 %. It was found that addition of 10 ml water per 10 gram of soil prior to the extraction improved the recovery substantially. The
recoveries decreased with soil depth as the clay content increased. The limits of detection were in the range of 1.1 µg/kg to 5.9 µg/kg, which is as good as the similar ECM method used for determination of deltamethrin. In conclusion the method is versatile for rapid determination of cypermethrin in clayey tropical top and subsoils of Sarawak.

Item Type:Journal
Keywords:Gas chromatography, cypermethrin, pyrethroid insecticides, tropical soils
Subjects:S Agriculture
Q Science, Computer Science
ID Code:2482

1. Tomlin, C. (l994). The Pesticide Manual (A World Compendium). 10th Edition. The British Crop Protection Council, Surrey, U.K. and the Royal Society of Chemistry, Cambridge, United Kingdom.

2. Kidd, H. and James, D. R. (eds.) (1991). The Agrochemicals Handbook, 3rd Edition. Royal Society of Chemistry Information Services, Cambridge, United Kingdom.

3. Bradbury, S. P. and Coats, J. R. (1989). Toxicokinetics and toxicodynamics of pyrethroid insecticides in fish. Environ. Toxicol. Chem. 8: 373 - 380.

4. Cook, J., Beckett, M. P., Reliford, B., Hammock, W. and Engel, M. (1999). Multiresidue analysis of pesticide in fresh fruits and vegetables using procedure d eveloped by the Florida Department of Agriculture and Consumer Services, J. AOAC Int. 82: 1419 - 1435.

5. Fillion, J., Saure, F. and Selwyn, J. (2000). Multiresidue methods for the determination of residues of 251 pesticides in fruits and vegetables by gas chromatography with florescence detection. J. AOAC Int. 83: 698-713.

6. Bennett, D. A., Chung, A. C. and Lee, S. M. (1997). Multiresidue method for analysis of pesticide in liquid whole milk. J. AOAC Int. 80: 1065 - 1077.

7. Jasson, C. (2000). Multiresidue method for the gas chromatographic determination of pesticides in honey after solid-phase extraction cleanup. J. AOAC Int. 83: 714 - 727.

8. Sheridan, R. S. and Meola, J. R. (1999). Analysis of pesticide residues in fruits, vegetables and. milk by gas chromatography/tandem mass chromatography. J. AOAC Int. 82: 982 - 990.

9. Sorensen, L. K. and Hansen, H. (2003). Determination of cypermethrin in salmon by LC-APCI-MS. Anal. Letters 36 (1): 191 - 201.

10. Sapiets, A., Swaine, H. and Tandy M. J. (1984). Cypermethrin. In: Analytical Method for Pesticides and Plant. Growth Regulators 13 (eds. Zweig, G. and Sherma, J.). pp. 44-51. Acedemic Press Publishers, San Diego.

11. Forbes, S. and Dutton, A. J. (1985). A small scale method for the determination of pyrethroid insecticide residues in crops and soils. Pestic. Sci. 16: 404-408.

12. Anonymous (1991). Environmental Chemistry Method. Environmental Protection Agency, United States of America.

13. Anonymous (1968). Pesticide Analytical Manual. Environmental Protection Agency, Washington D. C., United States of America.

14. Szeto, S. Y. and Price P. M. (1991). Persistence of pesticide residues in mineral and organic soils in the Fraser Valley of British Columbia. J. Agric. Food Chem. 39: 1679-1684.

15. Skidmore, M. W. (l994). Influence of application methods on the degradation of permethrin in laboratory, soil aerobic metabolism studies. Pestic. Sci. 42: 101 - 107.

16. Baskaran, S., Kookana, R. S. and Naidu, R. (1999). Degradation of bifenthrin, chlorpyrifos and imidacloprid in soil and bedding materials at termiticidal application rates. Pestic. Sci. 55: 1222 - 1228.

17. Mogadati, P., Louis, J. B. and Rosen J. D. (l999). Multiresidue determination of pesticides in high organic content soils by solid-phase extraction and gas chromatography/mass spectrometry. J. AOAC Int. 82: 705 - 715.

18. Page, A. L., Miller, R. H. and Keeney, D. R. (1982). Method of soil analysis, Soil Society of America, Madison, Wisconsin, USA.

19. Oudou, H. C. and Hansen, H. C. B. (2002). Sorption of cypermethrin diastereoisomers to quartz, corundum, goethite, kaolinite and montmorillonite. Int. J. Environ. Anal. Chem., 82, 529 - 544.

20. Cotterill, E. G. (1980). The efficiency of methanol for the extraction of some herbicide residues from soil. Pest. Sci. 11: 23 - 28.

21. Gupta, S. and Gajbhiye, V. J. (2002). Persistence and leaching of cyfluthrin in alluvial soil of India. Pest Manag. Sci. 58: 1259 - 1265.

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