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GC×GC with fluidic modulation on enantioselective oil analysis

Version 2 2024-06-05, 00:51
Version 1 2018-12-05, 15:11
journal contribution
posted on 2024-06-05, 00:51 authored by PM Harvey, Robert ShellieRobert Shellie, SDH Poyeter
Properly informed column selection greatly simplifies the process of method development and provides greater flexibility in instrument settings for comprehensive two-dimensional gas chromatography (GC×GC) with fluidic modulation. In the present investigation a long (20 m) narrow-bore (0.10 mm i.d.) column was used in the first separation dimension. In this way, the separation column itself provided sufficient pressure-drop to alleviate flow disturbance in the first dimension column caused by actuating the modulator valve. The use of a narrow-bore column in the first dimension is highly beneficial because it is also more suited to lower volumetric flow-rates and therefore permits use of a longer modulation period without causing sample loop breakthrough. Enantioselective separation of spearmint essential oil was performed to demonstrate performance of a fluidic modulation system.

History

Journal

LC GC Europe

Volume

24

Pagination

1-1

Location

Cheshire, Eng.

ISSN

1471-6577

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

Copyright notice

2011, Advanstar Communications Inc.

Issue

10

Publisher

Advanstar Communications Inc.

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