Comparison of two extraction procedures for urinary organic acids prior to gas chromatography—mass spectrometry
✍ Scribed by Y. Mardens; A. Kumps; C. Planchon; C. Wurth
- Book ID
- 103804164
- Publisher
- Elsevier Science
- Year
- 1992
- Weight
- 441 KB
- Volume
- 577
- Category
- Article
- ISSN
- 0378-4347
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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
Automated Mass Spectral Deconvolution and Identification System (AMDIS) is applied to a selection of data files obtained from the gas chromatography/ mass spectrometry (GC/MS) analysis of urinary organic acids. Mass spectra obtained after deconvolution are compared with a special user library contai