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KMID : 0380620070390020122
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Korean Journal of Food Science and Technology
2007 Volume.39 No. 2 p.122 ~ p.127
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The Analysis of Dioxin-Like PCBs in Fishes and Shellfishes using Accelerated Solvent Extraction (ASE) System and Multilayer Column Chromatography
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Suh Jung-Hyuk
Kim Hee-Yun
Lee Jong-Ok
Oh Keum-Soon
Sho You-Sub
Park Seong-Soo
Woo Gun-Jo
Chung So-Young
Kim Jung-Soo
Jang Seoung-Chul
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Abstract
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In this study, an analytical method was optimized for detecting dioxin-like PCBs in fish and shellfish. Here, homogenized samples were extracted using an accelerated solvent extraction (ASE) system with 33 mL cell size. Multilayer column chromatography, which consisted of acidic, basic and neutral silica gels, was used for the clean up of the extracts. The instrumental analysis was executed by HRGC/HRMS to a resolution of 10,000 using 4 window multiple ion detection (MID) mode. For the results, the average recoveries ranged from 94.1 to 104.1% () and the limit of detection was approximately 0.1 pg/g at S/N ratio >3. Finally, the detected concentrations of dioxin-like PCBs for fish and shellfish were in the range of 0.030-1.836 pg TEQ/g.
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KEYWORD
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food, fishes and shellfishes, dioxin-Like PCBs, accelerated solvent extraction
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