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KMID : 0385520120250060467
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Analytical Science & Technology
2012 Volume.25 No. 6 p.467 ~ p.475
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Simultaneous determination of ultra-trace phenols, polycyclic aromatic hydrocarbons and pesticides in surface water by gas chromatography-mass spectrometry
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Lee Young-Joon
Lee Jun-Bae
Hong Seon-Hwa
Oh Jin-A
Shin Ho-Sang
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Abstract
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A gas chromatography-mass spectrometric (GC-MS) method was developed for determining 17 hazard compounds containing phenols, polycyclic aromatic hydrocarbons and pesticides in surface water. A 1.0 L surface water sample was placed in a separatory funnel and saturated with NaCl, and the solution was extracted with 40 mL of methylene chloride. Under the established condition, the lowest quantification limit was 1.0-10 ng/ L and the relative standard deviations were less than 22%. The method was used to analyze 70 surface water samples collected from 35 regions in Gum-River. The samples revealed the compounds concentrations in the range of 1.1-26,604 ng/L. Maximum concentrations of compounds detected were not exceeded guidelines established in other countries. The developed method may be valuable for monitoring hazards in water.
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KEYWORD
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phenols, polycyclic aromatic hydrocarbons, pesticides, gas chromatography-mass spectrometry, surface water
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