High-accuracy analysis system for the redox status of coenzyme Q10 by online supercritical fluid extraction–supercritical fluid chromatography/mass spectrometry
✍ Scribed by Atsuki Matsubara; Kazuo Harada; Kazumasa Hirata; Eiichiro Fukusaki; Takeshi Bamba
- Book ID
- 116362679
- Publisher
- Elsevier Science
- Year
- 2012
- Tongue
- English
- Weight
- 439 KB
- Volume
- 1250
- Category
- Article
- ISSN
- 1873-3778
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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
This work presents the results of a study involving a high-inertinite coal Ž . from Amando Simoes Mine, located in Parana state Brazil . The organic matter ˜Ž . was extracted in a supercritical fluid static mode apparatus using toluene as the extraction fluid in the presence of hydrogen. The variabl