Computer-assisted peak recognition for polychlorinated dibenzo-p-dioxins (PCDD) and polychlorinated dibenzofurans (PCDF) in environmental samples

被引：0

作者：

Liang, X.M. ^{[1
]}

Wu, W.A. ^{[1
]}

Schramm, K.-W. ^{[1
]}

Henkelmann, B. ^{[1
]}

Yediler, A. ^{[1
]}

Kettrup, A. ^{[1
]}

Zhang, Y.K. ^{[1
]}

Lu, P.C. ^{[1
]}

机构：

[1] Chinese acad. sci., inst. chemical, physics, national chromatographic, R&A cent., Dalian 116011, China

来源：

| 1996年 / 354期

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摘要：

A software has been developed for the peak recognition of 136 polychlorinated dibenzo-p-dioxins (PCDD) and polychlorinated dibenzofurans (PCDF) after high resolution gas chromatography coupled with mass spectrometry (HRGC/HRMS). Based on the retention times of 13C labelled 2,3,7,8-substituted PCDD/F internal standards, the retention times of all PCDD and PCDF can be calibrated automatically and accurately. Therefore, it is very convenient to identify the peaks by comparing the retention of samples and the calibrated retention times of their chromatograms. Hence, this approach is very significant because it is impossible to obtain always a standard chromatogram and PCDD/F analysis are very expensive and time consuming. The calibration results can be transferred to Excel for calculation. The approach is a first step to store costly and environmentally relevant data for future application.

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