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Comprehensive 2D GC-QPMS with differential flow modulation

journal contribution
posted on 2008-01-01, 00:00 authored by Robert Shellie
Differential flow modulation is an inexpensive way to perform GCxGC separations which has been attracting growing attention recently. Differential flow modulation uses high carrier gas flow rates in the second dimension column so it is widely thought that this rules out direct coupling with mass spectrometry. However direct coupled GCxGC-QPMS using differential flow modulation is reported here for the first time using an unmodified mass spectrometer comprising a dual inlet turbomolecular pump and fast scanning quadrupole mass analyser. The suitability of the approach for characterization of essential oils is demonstrated.

History

Journal

LC GC Europe

Volume

21

Issue

11

Pagination

572 - 578

Publisher

Advanstar Communications (UK)

Location

Chester, Eng.

ISSN

1471-6577

Language

eng

Publication classification

CN.1 Other journal article

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