候補標準物質を用いる短鎖塩素化パラフィン分析における影響要因の解明

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  • 羽成 修康
    産業技術総合研究所計量標準総合センター物質計測標準研究部門有機組成標準研究グループ
  • 中野 武
    大阪大学環境安全研究管理センター

書誌事項

タイトル別名
  • Elucidation of Affecting Factors in the Analysis of Short-chain Chlorinated Paraffins Using a Candidate Reference Material
  • アナリティカルレポート 候補標準物質を用いる短鎖塩素化パラフィン分析における影響要因の解明
  • アナリティカルレポート コウホ ヒョウジュン ブッシツ オ モチイル タンサ エンソカ パラフィン ブンセキ ニ オケル エイキョウ ヨウイン ノ カイメイ
  • Elucidation of factors affecting short-chain chlorinated paraffin measurement using candidate reference material

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説明

<p>Chlorinated paraffins (CPs) are primary industrial chemicals that have been mainly used in some industrial applications, such as flame retardants, metalworking fluids, and other. Among CPs, short-chain chlorinated paraffin (SCCP) has also been known to be persistent and long-range transport. Moreover, SCCP is registered as listed chemicals under Annex A of the Stockholm Convention on Persistent Organic Pollutants (POPs). CPs are chlorinated linear chain alkanes, and SCCP is comprising 10 to 13 carbon atoms. Due to large number of SCCP isomers, a reliable determination of SCCP is a big challenge. Then, some interlaboratory trials on SCCP were performed worldwide, though the reliability of these results obtained was poorer than that on dioxins and PCBs until now. In this study, a technical SCCP formulation was prepared as a candidate reference material, and then this technical SCCP formulation was used for interlaboratory comparison as a sample distributed. This interlaboratory comparison focused on measurements of SCCP using gas and liquid chromatograph equipped with mass spectrometers (GC-MS and LC-MS) without a clean-up process on the sample matrix only because of simplifying evaluation of methods. As preliminary results the obtained from this interlaboratory comparison, an obvious bias was found between GC and LC in case of comparison using peak-area percentage relative to total peak-area. On the other hand, comparable data on not only SCCP concentration but also SCCP profiles were obtained between GC and LC in case of quantification using the commercial standard of which the congener ratio was decided before this interlaboratory comparison.</p>

収録刊行物

  • 分析化学

    分析化学 69 (7.8), 351-356, 2020-07-05

    公益社団法人 日本分析化学会

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