Supercritical fluid extraction coupled with gas chromatography for the analysis of aroma compounds absorbed by low-density polyethylene
✍ Scribed by Nielsen, Tim J.; Jaegerstad, I. Margaretha; Oeste, Rickard E.; Sivik, Bjoern T. G.
- Book ID
- 121691606
- Publisher
- American Chemical Society
- Year
- 1991
- Tongue
- English
- Weight
- 454 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0021-8561
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## 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
Supercritical fluid extraction (SFE) can greatly reduce the sample preparation time of analytes in solid matrices. The on-line coupling of SFE with high-speed gas chromatography (GC) can further reduce the total analysis time. SFE has been coupled to GC with a thermal desorption modulator (TDM) inte