Environmental Monitoring and Contaminants Research
Online ISSN : 2435-7685
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Peak separation of all 136 tetra- to octa-chlorinated dibenzo-p-dioxins and dibenzofurans on two 50% phenyl-methyl-siloxane-type gas chromatography columns, DB-17ms and VF-17ms
Kotaro MINOMO Nobutoshi OHTSUKAYusuke OCHIAI
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2024 Volume 4 Pages 117-125

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Abstract

The peak separation of all 136 tetra- to octa-chlorinated dibenzo-p-dioxins and dibenzofurans on two types of 50% phenyl methyl siloxane gas chromatography columns, DB-17ms and VF-17ms, is presented. Four congeners of the seventeen 2,3,7,8-congeners, 2,3,7,8-TeCDD, 1,2,3,7,8-PeCDD, 2,3,7,8-TeCDF, and 1,2,3,4,7,8-HxCDF, were not separated clearly on DB-17ms. On VF-17ms, 2,3,7,8-TeCDD, 2,3,7,8-TeCDF, 1,2,3,7,8-PeCDF, and 1,2,3,6,7,8-HxCDF were not clearly separated. The other 2,3,7,8-congeners showed good separation on both columns. Therefore, the concentrations of all seventeen 2,3,7,8-congeners can be obtained by combining the measurement results from DB-17ms or VF-17ms with those from DB-5ms or similar columns.

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