Full TGIF Record # 115023
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Web URL(s):http://www.tandfonline.com/doi/pdf/10.1080/03601239909373203
    Last checked: 10/09/2015
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Publication Type:
i
Report
Author(s):Sarmah, A. K.; Kookana, R. S.
Author Affiliation:Sarmah: Cooperative Research Centre for Soil and Land Management, Glen Osmond, Australia; Sarmah: Department of Soil Science; The University of Adelaide, Glen Osmond, Australia; Kookana: CSIRO Land and Water, Glen Osmond, Australia
Title:Simultaneous analysis of triasulfuron, metsulfuron-methyl and chlorsulfuron in water and alkaline soils by high-performance liquid chromatography
Source:Journal of Environmental Science and Health: Part B: Pesticides, Food Contaminants, and Agricultural Wastes. Vol. B34, No. 3, 1999, p. 363-380.
# of Pages:18
Publishing Information:New York: Marcel Dekker
Keywords:TIC Keywords: Triasulfuron; Metsulfuron methyl; Chlorsulfuron; Alkaline soils; Liquid chromatography; Sulfonylurea herbicides; Ultraviolet radiation; Carbon; Water
Abstract/Contents:"A method capable of simultaneously detecting residues of three sulfonylurea herbicides at μg/l and μg/kg level in water and alkaline soils has been described. The method is based on solid phase extraction and HPLC with UV detection. In alkaline soils especially those containing low organic carbon it was possible to extract the herbicides with de-ionised water and no clean up step was needed. Soil samples spiked with technical grade triasulfuron, metsulfuron-methyl and chlorsulfuron were extracted twice by shaking with de-ionised water for one hour and centrifuging at 10000 rpm for 15 minutes. Supernatants filtered through glass micro-fibre filters were passed through C18 cartridges previously pre-conditioned with methanol and de-ionised water at a flow rate of < 20 ml/min. Residues of the herbicides retained on the cartridge were eluted with acidified methanol. The eluate was analysed by HPLC. A C18 column was used with mobile phase of methanol/water (40 + 60, V/V for the herbicide residues were 1.0 mg/l and 3 mg/kg in water and soil, respectively. The average recoveries for water samples ranged from 73-94%, while for soil samples recoveries were 77-97% for the three compounds studied."
Language:English
References:20
Note:Figures
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Sarmah, A. K., and R. S. Kookana. 1999. Simultaneous analysis of triasulfuron, metsulfuron-methyl and chlorsulfuron in water and alkaline soils by high-performance liquid chromatography. J. Environ. Sci. Health. B34(3):p. 363-380.
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Web URL(s):
http://www.tandfonline.com/doi/pdf/10.1080/03601239909373203
    Last checked: 10/09/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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