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- Title
One-step cleanup for PAH residue analysis in plant matrices using size-exclusion chromatography.
- Authors
Hubert, A.; Popp, P.; Wenzel, K.-D.; Engewald, W.; Schüürmann, G.
- Abstract
A new one-step cleanup procedure, based on size-exclusion chromatography (SEC), usable for the extracts from accelerated solvent extraction (ASE), Soxhlet extraction, or ultrasonic extraction (USE), is described. The method is suitable for the determination of polycyclic aromatic hydrocarbons (PAHs), especially from very complicated plant matrices (e.g. pine needles, deciduous leaves, mosses). The main improvement compared with previous conventional procedures is that analyte peaks barely overlap with matrix peaks in the chromatograms and that it is a very rapid and simple one-step procedure with clearly improved analytical performance. Essential advantages of this SEC procedure are the sharper GC–MS chromatograms for the PAH fraction at retention times between 9.2 and 12.0 min, distinctly separated substance peaks resulting in better analysis, shorter running times, and lower solvent consumption.
- Subjects
GEL permeation chromatography; CHROMATOGRAPHIC analysis; EXTRACTION (Chemistry); POLYCYCLIC aromatic hydrocarbons; CHROMATOGRAMS; SOLVENTS
- Publication
Analytical & Bioanalytical Chemistry, 2003, Vol 376, Issue 1, p53
- ISSN
1618-2642
- Publication type
Article
- DOI
10.1007/s00216-003-1858-5