{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1390001204356291584.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.2116/bunsekikagaku.53.1441"}},{"identifier":{"@type":"COI","@value":"1:CAS:528:DC%2BD2cXhtFWrtb3E"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"7180434"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/7180434"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I7180434"}},{"identifier":{"@type":"URI","@value":"https://dl.ndl.go.jp/pid/10895981"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"10895981"}},{"identifier":{"@type":"NAID","@value":"110002910005"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/digimeta/10895981"}},{"identifier":{"@type":"URI","@value":"http://www.jstage.jst.go.jp/article/bunsekikagaku/53/12/53_12_1441/_pdf"}},{"identifier":{"@type":"URI","@value":"http://dl.ndl.go.jp/info:ndljp/pid/10895981"}},{"identifier":{"@type":"NAID","@value":"30016416902"}}],"dc:title":[{"@language":"en","@value":"On-line monitoring method of PCBs by laser ionization dynamic trapping time of flight mass spectrometry"},{"@language":"ja","@value":"レーザーイオン化ダイナミックトラップ飛行時間型質量分析法によるポリ塩化ビフェニル類の迅速分析"},{"@language":"ja-Kana","@value":"レーザー イオンカ ダイナミックトラップ ヒコウ ジカンガタ シツリョウ ブンセキホウ ニ ヨル ポリ エンカ ビフェニルルイ ノ ジンソク ブンセキ"},{"@value":"レーザーイオン化ダイナミックトラップ飛行時間型質量分析法によるポリ塩化ビフェニル類の迅速分析(<特集>海と空と島の環境分析)"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"The emissions of organic hazards from environmental protection equipments and other facilities have become a major social issue, and the evaluation of toxicity concentration requires methods having both high precision and high chemical selectivity. LI-IT-TOFMS (laser ionization/ion trap storage/time of flight mass spectrometry) is expected to be a powerful tool for environmental monitoring. This report, discusses real-time LI-IT-TOFMS measurements gaseous 2∼4 chlorinated PCBs in order to evaluate the applicability of the environmental monitoring method. With respect to the effect of ion trap storage for PCBs, we found that it was due to the driving RF voltage on the ring electrode in the ion trap. For the ions of PCBs produced by laser irradiation, we observed that it was more efficient to reach the center of the ion trap by using a gated RF voltage rather than by using a continuous RF voltage. We simulated the ion trajectories in the ion trap by using SIMION 7.0. We found that the voltage of the exit end cap electrode affected both the number of ions trapped and the orbit of ions inside of the trap cell. Optimization of this parameter was performed using both simulated and experimental results. The achievable PCB sensitivity for real-time (1 minute) measurements using the LI-IT-TOFMS technique was found to be in the pptV range (<0.01 mg/Nm3) by a comparison with the conventional gas sampling GC/MS method. A satisfactory proportional relationship was confirmed between laser-based and conventional results. In the future we will pursue the method for environmental monitoring.<br>"},{"@language":"ja","@value":"有機ハロゲン化物排出などによる環境汚染が社会問題化している中，オンラインで微量濃度監視（モニタリング）する手法の確立が強く望まれている．その有力な方法のひとつとして，ダイナミックトラップ飛行時間型質量分析（TOFMS）法を適用した結果について報告する．本法はガス直接導入式レーザーイオン化TOFMS技術にイオントラップ濃縮技術を付加した手法である．レーザーイオン化されたイオンを効率的に捕捉する手法として，ダイナミックトラップ法が有用であることを確認した．更なる高感度化のためイオン軌道シミュレーションを実施した．その結果，イオントラップ内に入るイオンを減速させる方法の有効性を確認した．シミュレーションで得た知見を実験にて検証し，ポリクロロビフェニル（PCB）類が計測時間1分でpptVレベルの感度で計測可能を確認した．今後，環境モニタリング手法としての適用性を実証していく予定である． <br>"}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410001204257135235","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000003719736"},{"@type":"NRID","@value":"9000413350255"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/ApSci_PE"}],"foaf:name":[{"@language":"en","@value":"DOBASHI Shinsaku"},{"@language":"ja","@value":"土橋 晋作"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Nagasaki R&D Center, Mitsubishi Heavy Industries Ltd."},{"@language":"ja","@value":"三菱重工業株式会社長崎研究所"}]},{"@id":"https://cir.nii.ac.jp/crid/1410001204060367493","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000003719738"}],"foaf:name":[{"@language":"en","@value":"DEGUCHI Yoshihiro"},{"@language":"ja","@value":"出口 祥啓"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Advanced Technology Research Center, Mitsubishi Heavy Industries Ltd."},{"@language":"ja","@value":"三菱重工業株式会社先進技術研究センター"}]},{"@id":"https://cir.nii.ac.jp/crid/1410853646577388416","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000003719739"}],"foaf:name":[{"@language":"en","@value":"FUKUDA Norihiro"},{"@language":"ja","@value":"福田 憲弘"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Nagasaki R&D Center, Mitsubishi Heavy Industries Ltd."},{"@language":"ja","@value":"三菱重工業株式会社長崎研究所"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282680814701060","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000004514188"}],"foaf:name":[{"@language":"en","@value":"IZAWA Yoshinori"},{"@language":"ja","@value":"猪澤 祥規"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Mitsubishi Heavy Industries Ltd., Nagasaki Shipyard & Machinery Works"},{"@language":"ja","@value":"三菱重工業株式会社長崎造船所"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282680814701056","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000003719740"}],"foaf:name":[{"@language":"en","@value":"KUBOTA Takahiro"},{"@language":"ja","@value":"窪田 隆博"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Nagasaki R&D Center, Mitsubishi Heavy Industries Ltd."},{"@language":"ja","@value":"三菱重工業株式会社長崎研究所"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282680814701061","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000004514187"}],"foaf:name":[{"@language":"en","@value":"TANAKA Ryuichiro"},{"@language":"ja","@value":"田中 隆一郎"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Mitsubishi Heavy Industries Ltd., Nagasaki Shipyard & Machinery Works"},{"@language":"ja","@value":"三菱重工業株式会社長崎造船所"}]},{"@id":"https://cir.nii.ac.jp/crid/1410001205811318528","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000003722198"}],"foaf:name":[{"@language":"en","@value":"KIRA Masaharu"},{"@language":"ja","@value":"吉良 雅治"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Machinery Headquarters, Mitsubishi Heavy Industries Ltd."},{"@language":"ja","@value":"三菱重工業株式会社機械事業本部"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"05251931"},{"@type":"NDL_BIB_ID","@value":"000000021279"},{"@type":"ISSN","@value":"05251931"},{"@type":"LISSN","@value":"05251931"},{"@type":"NCID","@value":"AN00222633"}],"prism:publicationName":[{"@language":"ja","@value":"分析化学"},{"@language":"en","@value":"BUNSEKI KAGAKU"},{"@language":"en","@value":"BUNSEKI KAGAKU"},{"@language":"en","@value":"Bunseki kagaku"},{"@language":"ja","@value":"分析化学"}],"dc:publisher":[{"@language":"en","@value":"The Japan Society for Analytical Chemistry"},{"@language":"ja","@value":"公益社団法人 日本分析化学会"}],"prism:publicationDate":"2004","prism:volume":"53","prism:number":"12","prism:startingPage":"1441","prism:endingPage":"1448"},"reviewed":"false","url":[{"@id":"http://id.ndl.go.jp/bib/7180434"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I7180434"},{"@id":"https://dl.ndl.go.jp/pid/10895981"},{"@id":"http://id.ndl.go.jp/digimeta/10895981"},{"@id":"http://www.jstage.jst.go.jp/article/bunsekikagaku/53/12/53_12_1441/_pdf"},{"@id":"http://dl.ndl.go.jp/info:ndljp/pid/10895981"}],"availableAt":"2004","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=laser","dc:title":"laser"},{"@id":"https://cir.nii.ac.jp/all?q=laser%20ionization","dc:title":"laser ionization"},{"@id":"https://cir.nii.ac.jp/all?q=ion%20trap","dc:title":"ion trap"},{"@id":"https://cir.nii.ac.jp/all?q=dynamic%20trapping","dc:title":"dynamic trapping"},{"@id":"https://cir.nii.ac.jp/all?q=PCB","dc:title":"PCB"},{"@id":"https://cir.nii.ac.jp/all?q=on-line%20analysis","dc:title":"on-line 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