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KMID : 1024520020110040367
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Journal of the Environmental Sciences
2002 Volume.11 No. 4 p.367 ~ p.373
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The Quantitative Analysis of Polycyclic Aromatic Hydrocarbons(PAHs) in Sewage Sludge by Gas Chromatography-Ion Trap Mass Spectrometry
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Nam Jae-Jak
So Kyu-Ho
Park Woo-Kyun
Cho Nam-Jun
Lee Sang-Hak
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Abstract
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The polycyclic aromatic hydrocarbons(PAHs) content in sewage sludge was determined by gas chromatography linked to ion trap mass spectrometry(GC/ITMS) with five deuterated PAHs as internal standards. The minimum detection limit was from 1.66 to 7.14 pg for individual PAH by GC/ITMS. For determining total PAHs(∑PAH) in sewage sludge 84 samples from 74 waste water treatment plants in whole country were analyzed. The average content of ∑PAH far whole samples was 3,2893,098 /kg, and ranged from 142 to maximum 20,102 /kg. According to the number of population of the city, the areas were classified as five regions, ie. big, large, middle, small, and rural area in which the waste water treated plants were grown. The contents of PAHs were 4,6895,503, 5,8396,401, 3,7252,053, 2,2372,069, and 2,4751,489 /kg, in big, large, middle, small, and rural area, respectively.
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KEYWORD
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sewage sludge, polycyclic aromatic hydrocarbons (PAHs), GC/MS
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