Perspectives of on-line coupled liquid chromatography–gas chromatography
✍ Scribed by Tuulia Hyötyläinen; Marja-Liisa Riekkola
- Publisher
- Springer
- Year
- 2004
- Tongue
- English
- Weight
- 168 KB
- Volume
- 378
- Category
- Article
- ISSN
- 1618-2650
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The introduction of selected fractions from a liquid chromatograph into a gas chromatograph has been described; however, analyses were performed by off-line experiments requiring collection and reinjection of the separate fractions or by on-line procedures where disadvantageously, only a fraction of
## Abstract An on‐line coupled supercritical fluid extraction–liquid chromatography–gas chromatography–mass spectrometry (SFE‐LC‐GC‐MS) system was constructed and applied for the quantitative analysis of selected organic acids. In SFE the analytes were derivatized __in situ__ with pentafluorobenzyl