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KMID : 0893320000150010045
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Journal of Environmental Toxicology
2000 Volume.15 No. 1 p.45 ~ p.51
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Analysis of 4-Nitrotoluene in Water by Gas Chromatography/Mass Spectrometry
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Rhee Hee-Kyung
Kwon Oh-Seung
Ryu Jae-Chun
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Abstract
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Analytical method of 4-nitrotoluene (4-NT) in water was developed by 9as chromatography/mass selective detector/selected ion monitoring (GC/MSD/SIM). 4-NT was extracted with diethyl ether. Organic layer was washed with 5 % sodium chloride solution. The influence of solvent and evaporation condition on extraction of 4-NT were examined. The retention time of 4-NT peak was 7.72 min. Coefficient of variation (CV) of 4-NT (ng) within day and day-to-day was ranged from 7.0 to 14.6% and from 7.7 to 20.8%, respectively. Recovery of 4-NT was ranged from 84 to 109%, and detection limit of 4-H was lese than 1 ng/㎖.
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