Details zur Publikation |
| Kategorie | Textpublikation |
| Referenztyp | Zeitschriften |
| DOI | 10.1007/s002160050641 |
| Titel (primär) | Water solubility and octanol/water-partitioning of hydrophobic chlorinated organic substances determined by using SPME/GC |
| Autor | Paschke, A.; Popp, P.; Schüürmann, G. |
| Quelle | Fresenius Journal of Analytical Chemistry |
| Erscheinungsjahr | 1998 |
| Department | OEC; ANA; COE |
| Band/Volume | 360 |
| Heft | 1 |
| Seite von | 52 |
| Seite bis | 57 |
| Sprache | englisch |
| Abstract | The critical step in the determination of water solubilitiy (S w) and octanol-water partition coefficient (K ow) of hydrophobic organic chemicals by using the generator-column technique and the slow-stirring procedure, respectively, is the exact quantification of the low water-phase concentrations of the substances under investigation. We have tested the applicability of solid-phase microextraction (SPME) and gas chromatography with seven chlorinated organic compounds. The substances cover a S w range from 500 mg/L to 7 ng/L and a log K ow range from 3 to 8. The results show that SPME can be a valuable alternative to common preconcentration techniques in the quantification of hydrophobic organics in pure and octanol-saturated water. The apparent SPME distribution constants K SPME (obtained with the 100 μm-PDMS fiber for analyte’s partitioning between fiber coating and aqueous sample) do not correlate directly with octanol/water partition coefficients and thus cannot be recommended as a surrogate parameter for K ow. |
| dauerhafte UFZ-Verlinkung | https://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=8904 |
| Paschke, A., Popp, P., Schüürmann, G. (1998): Water solubility and octanol/water-partitioning of hydrophobic chlorinated organic substances determined by using SPME/GC Fresen. J. Anal. Chem. 360 (1), 52 - 57 10.1007/s002160050641 |
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