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题名: Correct identification of polychlorinated biphenyls in temperature-programmed GC with ECD detection
作者: Zhang, Q;  Liang, X;  Chen, J;  Lu, P;  Yediler, A;  Kettrup, A
关键词: polychlorinated biphenyls (PCBs) ;  identification ;  chromatography with ECD
刊名: ANALYTICAL AND BIOANALYTICAL CHEMISTRY
发表日期: 2002-09-01
DOI: 10.1007/s00216-002-1430-8
卷: 374, 期:1, 页:93-102
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Physical Sciences
类目[WOS]: Biochemical Research Methods ;  Chemistry, Analytical
研究领域[WOS]: Biochemistry & Molecular Biology ;  Chemistry
英文摘要: A method has been developed for peak identification of PCBs in GC with ECD detection under different temperature programs and isothermal conditions on two commonly used columns (DB-5 and DB-1701). This was achieved by means of accurate calibration of retention times based on the concept of the relative retention index P-i and retention times of the selected PCB internal standards. The P-i was calculated from the predicted retention times with the database of the retention parameters (A, B) and the migration equations. Through comparison of the calibrated and experimental retention times of PCBs in technical samples, it was shown that the developed method was effective for correct PCB comprehensive, quantitative, congener-specific (CQCS) analyses.
关键词[WOS]: ELECTRON-CAPTURE DETECTION ;  DIFFERENT HRGC COLUMNS ;  209 PCB CONGENERS ;  GAS-CHROMATOGRAPHY ;  CAPILLARY-COLUMN ;  6 AROCLORS ;  RETENTION ;  MIXTURES ;  INDEXES
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000178112800017
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/85465
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116011, Peoples R China
2.GSF Forschungszentrum Umwelt & Gesundheit GMBH, Inst Okol Chem, D-85764 Neuherberg, Germany

Recommended Citation:
Zhang, Q,Liang, X,Chen, J,et al. Correct identification of polychlorinated biphenyls in temperature-programmed GC with ECD detection[J]. ANALYTICAL AND BIOANALYTICAL CHEMISTRY,2002,374(1):93-102.
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