Abstract
Pentachlorodibenzofurans (pentaCDFs) are measured by means of gas chromatography combined with multiphoton ionization–mass spectrometry (GC–MPI–MS) using a picosecond Nd:YAG laser (266 nm) as an ionization source. In this study, the pre-treated sample was collected from flue gas in an incinerator. The pentaCDF isomers in the environment were determined, for the first time, by GC–MPI–MS. In addition, the details of the fragment patterns of mono—pentaCDFs were discussed, resulting in the detection of M+–COCl as a major fragment ion for all of them. On the other hand, the fragment peak of M+–Cl was quite small, suggesting that a molecular ion (e.g., tetraCDF+) can easily be identified without any interference by the M+–Cl fragment ion (e.g., pentaCDF+–Cl).
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Acknowledgments
This research was supported by the Grants-in-Aids for Scientific Research, for the 21st Century COE Program, “Functional Innovation of Molecular Informatics”, from the Ministry of the Education, Culture, Sports, Science and Technology of Japan, and with financial support from the Ministry of the Environment of Japan and from the Creation and Support Program for Start-Ups from Universities from Japan Science and Technology Agency. We wish to thank The Fukuoka Institute of Health and Environmental Science for providing samples and data obtained by GC/HRMS.
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Itoh, T., Uchimura, T., Uchida, T. et al. GC–MPI–MS of Pentachlorodibenzofurans in Flue Gas Using a UV Picosecond Laser. Chroma 68, 89–94 (2008). https://doi.org/10.1365/s10337-008-0648-9
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DOI: https://doi.org/10.1365/s10337-008-0648-9