Comparison of a variety of gas chromatographic columns with different polarities for the separation of chlorinated dibenzo-p-dioxins and dibenzofurans by high-resolution mass spectrometry

Fishman, Vyacheslav N.; Martin, Gregory D.; Lamparski, L.L.

doi:10.1016/j.chroma.2006.11.025

Cited by 33 publications

(8 citation statements)

References 23 publications

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“…For higher congeners such as TCDD, we injected 1,2,3,4-TCDD and 2,3,7,8-TCDD as shown in Fig. 7 and then used published elution order from Fishman et al and Hale et al to identify and determine the yield of the rest of the congeners [19,20]. Under oxidative conditions, OH and Cl radicals are the major carriers, favouring the formation of PCDD/F over dibenzo-p-dioxin and dibenzofuran (DD/F) by abstraction of H radicals through diketo-and etherintermediates [6,9].…”

Section: Resultsmentioning

confidence: 99%

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Formation of Polychlorinated Dibenzo-p-Dioxins and Polychlorinated Dibenzofurans and Their Precursors in Fires of Pyrethroid Pesticide Alpha-Cypermethrin

Summoogum¹,

Wojtalewicz²,

Mackie³

et al. 2011

Fire Safety Science - Proceedings of the 10th International Sym

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This study reports the results of the gas phase oxidation of alpha-cypermethrin, a common insecticide, elucidating the decomposition pathways and formation of toxic species such as polychlorinated dibenzo-pdioxins and polychlorinated dibenzofurans (PCDD/F) and their precursors. Conditions investigated are similar to those encountered in post combustion and cooling-down zones of forest, agricultural and wild fires, as well as in burning of biomass contaminated or treated with pesticides. The experiments were conducted under fuel lean conditions in a tubular reactor housed in a three-zone heating furnace and operated with a dilute stream of alpha-cypermethrin in ultra high purity nitrogen and oxygen. PCDD/F were identified and quantified by high resolution gas chromatography (HRGC)-ion trap mass spectrometry (ITMS). We detected mono to hepta chlorinated dibenzo-p-dioxins and dibenzofurans with maximum emission factors of 141 μg g of alpha-cypermethrin. 1-monochlorodibenzofuran was ranked as the most abundant congener. We also conducted the analyses of volatile organic compounds (VOC) attempting to identify the PCDD/F precursors by means of HRGCquadrupole mass spectrometry (QMS). The results of VOC revealed chlorobenzene, diphenyl ether, benzaldehyde, chlorotoluene, dichlorotoluene as important PCDD/F precursors.

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Section: Resultsmentioning

confidence: 99%

“…The identification of the remaining congeners was based on literature measurements of their retention order on the same column, VF-5 ms and DB-5 ms [19]. We took care in building analytical methods to allow the detection of all congeners, using additional windows defining standards.…”

Section: Yield and Distribution Of Pcdd/f As Function Of Residence Timementioning

confidence: 99%

Formation of Polychlorinated Dibenzo-p-Dioxins and Polychlorinated Dibenzofurans and Their Precursors in Fires of Pyrethroid Pesticide Alpha-Cypermethrin

Summoogum¹,

Wojtalewicz²,

Mackie³

et al. 2011

Fire Safety Science - Proceedings of the 10th International Sym

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show abstract

“…The GC analyses were performed on both a DB-5MS and an SP-2331 column as described elsewhere, 18 in order to resolve all 2,3,7,8 substituted PCDD/F-congeners from each other and from non-2,3,7,8 substituted PCDD/Fs (2,3,7,8-TeCDF and 1,2,3,7,8-PeCDD partially separated). 20 To produce an easily presented overview of the results the intrinsic toxic potential of the samples (TEQ, Total Toxic Equivalent) was calculated for the PCDD/Fs by multiplying the individual concentrations with their TEF (Total Equivalency Factor) 2 and summing all contributions.…”

Section: Gc/hrms Analysismentioning

confidence: 99%

Modular pressurized liquid extraction for simultaneous extraction, clean-up and fractionation of PCDD/Fs in soil, sediment and sludge samples

Xuan

Lundstedt

et al. 2013

Anal. Methods

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“…Ryan et al (1991), have analyzed dioxins on a variety of phases. Fishman, Martin, and Lamparski (2004), compared the 5% phenyl-methyl phases as well as with some other polar and analyte specific phases (Fishman, Martin, & Lamparski, 2007). Table 5 compares the separation of the seventeen 2,3,7,8-substituted dioxins on a variety of different phases.…”

Section: Chromatographic Separationmentioning

confidence: 99%

“…Maximum possible concentration. Reproduced with permission from Fishman, Martin, and Lamparski (2007). TABLE 6.…”

Section: Chromatographic Separationmentioning

confidence: 99%

The analysis of dioxins and related compounds

Reiner

2009

Mass Spectrometry Reviews

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The analysis of polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans, polychlorinated biphenyls, and other related compounds requires complex sample preparation and analytical procedures using highly sensitive and selective state-of-the-art instrumentation to meet very stringent data quality objectives. The analytical procedures (extraction, sample preparation), instrumentation (chromatographic separation and detection by mass spectrometry) and screening techniques for the determination of dioxins, furans, dioxin-like polychlorinated biphenyls and related compounds with a focus on new approaches and alternate techniques to standard regulatory methods are reviewed.

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Comparison of a variety of gas chromatographic columns with different polarities for the separation of chlorinated dibenzo-p-dioxins and dibenzofurans by high-resolution mass spectrometry

Cited by 33 publications

References 23 publications

Formation of Polychlorinated Dibenzo-p-Dioxins and Polychlorinated Dibenzofurans and Their Precursors in Fires of Pyrethroid Pesticide Alpha-Cypermethrin

Formation of Polychlorinated Dibenzo-p-Dioxins and Polychlorinated Dibenzofurans and Their Precursors in Fires of Pyrethroid Pesticide Alpha-Cypermethrin

Modular pressurized liquid extraction for simultaneous extraction, clean-up and fractionation of PCDD/Fs in soil, sediment and sludge samples

The analysis of dioxins and related compounds

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