한강수계 하천수의 카바메이트계 농약 모니터링(2007~2009)
Monitoring of Carbamate Pesticides in Han River Watershed during 2007~2009
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초록
Simultaneous analytical methods for the nine carbamate families such as aldicarb sulfoxide, aldicarb sulfone,oxamyl, methomyl, 3-hydroxy carbofuran, aldicarb, propoxur, carbofuran and carbaryl were optimized using high performance liquid chromatograph with flouresence detector (HPLC/FLD). All the target compounds including internal standard (4-bromo-3,5-dimethylphenyl-N-methylcarbamate, BDMC) detected within 31 min. Linearity of calibration standards for all compounds between 0.5 and 20 μg/L were above >0.999. The recoveries and the relative standard deviations (RSDs) of spiked samples with 0.5~1.0 μg/L were in the ranges of 83.9~111.3% and 4.8~10.5%, respectively. Method detection limits(MDLs) for nine carbimate and related compounds were 0.07~0.34 μg/L. The optimized method was applied to the surface water samples from Han River during 2007~2009. Carbofuran, methomyl and some family compounds were detected in traceable levels with very low frequencies. Therefore, there seems to be very low exposure risks of carbamate and related pesticides in Han River area.
Abstract
Simultaneous analytical methods for the nine carbamate families such as aldicarb sulfoxide, aldicarb sulfone,oxamyl, methomyl, 3-hydroxy carbofuran, aldicarb, propoxur, carbofuran and carbaryl were optimized using high performance liquid chromatograph with flouresence detector (HPLC/FLD). All the target compounds including internal standard (4-bromo-3,5-dimethylphenyl-N-methylcarbamate, BDMC) detected within 31 min. Linearity of calibration standards for all compounds between 0.5 and 20 μg/L were above >0.999. The recoveries and the relative standard deviations (RSDs) of spiked samples with 0.5~1.0 μg/L were in the ranges of 83.9~111.3% and 4.8~10.5%, respectively. Method detection limits(MDLs) for nine carbimate and related compounds were 0.07~0.34 μg/L. The optimized method was applied to the surface water samples from Han River during 2007~2009. Carbofuran, methomyl and some family compounds were detected in traceable levels with very low frequencies. Therefore, there seems to be very low exposure risks of carbamate and related pesticides in Han River area.
참고문헌 (9)
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