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Liang, X.* ; Wang, W.* ; Wu, W.* ; Schramm, K.-W. ; Henkelmann, B. ; Kettrup, A.

Quantitative relationship between chromatographic retentions and molecular structures of polychlorinated dibenzo-p-dioxins (PCDDs).

Chemosphere 41, 923-929 (2000)
DOI
Open Access Green as soon as Postprint is submitted to ZB.
A new approach to study the quantitative relationships between chromatographic retentions and molecular structures of polychlorinated dibenzo-p-dioxins (PCDDs) is described. The retention equations of PCDDs in gas chromatography (GC) are used to evaluate the properties of the regression coefficients A and B, which have been widely accepted as highly reliable chromatographic retentions. The quantitative relationships between the A, B values and the molecular structures are found. The molecular descriptors given for the first time in this article are very effective. As a result, the regression equations are derived with correlation coefficients greater than 0.9995. The A, B values of PCDDs with no standards available have been predicted according to these relationships. They are very useful in chromatographic identification. The retention times of all PCDDs can be conveniently predicted at any temperature program. Compared with the data obtained from the relevant experiments, the results of prediction are very accurate.
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
Keywords Quantitative relationship Gas chromatography PCDDs Chromatographic retention Descriptors
ISSN (print) / ISBN 0045-6535
e-ISSN 1879-1298
Journal Chemosphere
Quellenangaben Volume: 41, Issue: 6, Pages: 923-929 Article Number: , Supplement: ,
Publisher Elsevier
Publishing Place Kidlington, Oxford
Non-patent literature Publications
Reviewing status Peer reviewed
Institute(s) Institute of Ecological Chemistry (IOEC)