1. GC Trace Analysis of Haloethers in Water — Comparison of Different Extraction Techniques
- Author
-
Luise Wennrich, Werner Engewald, and Peter Popp
- Subjects
Detection limit ,Chromatography ,Chemistry ,Health, Toxicology and Mutagenesis ,Extraction (chemistry) ,Public Health, Environmental and Occupational Health ,Analytical chemistry ,Soil Science ,Solid-phase microextraction ,Pollution ,Analytical Chemistry ,Matrix (chemical analysis) ,Liquid–liquid extraction ,Environmental Chemistry ,Sample preparation ,Gas chromatography ,Solid phase extraction ,Waste Management and Disposal ,Water Science and Technology - Abstract
The capabilities of three extraction techniques (solid-phase microextraction, solid-phase extraction, and liquid-liquid extraction) for the GC trace analysis of di- and tetrachlorinated haloethers in natural water samples were studied. The extraction procedures are described and evaluated with respect to recoveries, precision and detection limits using FID and MS detection. The results are compared. Investigations of the matrix influence show that efficiency and precision of the extraction procedures tested are not significantly influenced by dissolved organic matter in the relevant concentration range. Combined with GC-MS in SIM mode all three extraction techniques are generally suitable for the haloether analysis at ng/L level. However, the precision of solid-phase microextraction (SPME) is poor in this concentration range. Nevertheless, because of several advantages (low time consuming for sample preparation, no employment of solvents) the SPME is favorable for the determination of haloethers ...
- Published
- 1999
- Full Text
- View/download PDF