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      "affiliation": [
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      "id_number": "http://dx.doi.org/10.1080/03067319.2010.496040",
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        {
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      "rev_number": 11,
      "status_changed": "2012-02-10 08:43:02",
      "title": "Optimisation of the analytical method for octa-, nona- and deca-brominated diphenyl ethers using gas chromatography\u2013quadrupole mass spectrometry and isotope dilution",
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        {
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      ],
      "uri": "http://oar.icrisat.org/id/eprint/5439",
      "contact_email": "Library-ICRISAT@CGIAR.ORG",
      "keywords": "gas chromatography-quadrupole mass spectrometry, \r\nBDE-209, \r\nelectron impact ionisation\r\n",
      "refereed": "TRUE",
      "date": 2011,
      "full_text_status": "restricted",
      "publication": "International Journal of Environmental Analytical Chemistry",
      "datestamp": "2012-02-10 08:43:02",
      "number": 4,
      "ispublished": "pub",
      "lastmod": "2013-09-16 07:30:33",
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            "eprintid": 5439
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      ],
      "official_url": "http://www.tandfonline.com/toc/geac20/current",
      "metadata_visibility": "show",
      "abstract": "An analytical method for higher brominated congeners of polybrominated diphenyl ethers (PBDEs) was optimised using a gas chromatograph equipped with an electron impact ionisation-quadrupole mass spectrometer (GC-EI-qMS) and five native PBDEs and three 13C12-labelled congeners in biological and environmental samples (mussels, sediment, dust). In the optimised instrumental conditions, abundance and repeatability improved with increase in temperature of the ion source. The instrumental detection limits (IDLs) for BDE-196, BDE-197, BDE-206, BDE-207 and BDE-209 were 0.1, 0.1, 0.2, 0.3 and 0.6\u2009pg, respectively. When compared to the previous reports, the IDLs were the same as for electron capture negative ionisation (ECNI) or EI-double focusing magnetic sector (EI-Sector) mass spectrometer, indicating that sensitive determination could be achieved using a conventional GC-EI-qMS. Validation of the method was carried out by the analysis of reference materials and mussel samples. We confirmed that the concentrations quantified using this method was in the range of reported values for reference materials. Similar concentrations were found in mussels, which were analysed previously by our group. Thus, we conclude that a conventional GC-EI-qMS can be applied for analysis of higher brominated PBDEs in various environmental and biota matrices.",
      "issn": "0306-7319",
      "note": "This study was supported by Global COE Program and Grants-in-Aid for Scientific Research\r\n(S: 20221003, Young Scientists B: 19780239) of the Ministry of Education, Culture, Sports, Science\r\nand Technology, Japan (MEXT) and Japan Society for the Promotion of Science (JSPS).\r\nThis research was partly supported by MEXT\u2019s program \u2018Promotion of Environmental\r\nImprovement for Independence of Young Researchers\u2019 under the Special Coordination Funds for\r\nPromoting Science and Technology.",
      "volume": 91,
      "funders": [
        "Global COE Program"
      ],
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      "subjects": [
        "s2.5"
      ],
      "eprintid": 5439,
      "publisher": "Taylor & Francis",
      "type": "article",
      "eprint_status": "archive"
    }