NDLI: Application of a flow-tunable, serially coupled gas chromatographic capillary column system for the analysis of complex mixtures

Content Provider	Springer Nature Link
Author	Garay, F.
Copyright Year	2000
Abstract	A capillary column gas chromatographic system employing two serially coupled fused-silica columns and a simple coupling element is described. The system is operated in flow-tunable mode (flow-tunable tandem system).The very fact of continuous tuning over a large polarity (selectivity) range, ultimately determined by the two constituent columns, offers several possibilities in the analysis of complex mixtures. In this paper two applications are discussed in detail: optimization of peak separation and peak identification. For these applications it is feasible to use, retention data collected from experiments on the tandem system, and empirical formulas. A relatively simple theoretical mathematical model valid for the flow-tunable tandem system, however, furnishes an easy way of calculating retention data on the system from data collected from the individual single columns, thus, creating a new possibility for optimization and peak identification.Optimization and peak identification processes using the empirical and theoretical models are both demonstrated by analysis of solvent mixtures.
Starting Page	S108
Ending Page	S120
File Format	PDF
ISSN	00095893
Journal	Chromatographia
Volume Number	51
Issue Number	1
e-ISSN	16121112
Language	English
Publisher	Vieweg Verlag
Publisher Date	2000-01-01
Publisher Place	Wiesbaden
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Capillary gas chromatography Serially coupled columns Polarity/selectivity tuning by flow Retention index calculation Component identification Optimizing peak separation Analytical Chemistry Organic Chemistry Pharmacy Biochemistry Plant Sciences Measurement Science, Instrumentation
Content Type	Text
Resource Type	Book Review
Subject	Organic Chemistry Analytical Chemistry Biochemistry Clinical Biochemistry

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