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Partitioning of organic biocides between wood and supercritical carbon dioxide |
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| Authors: | Anders W. Kjellow Ole Henriksen |
| Affiliation: | a Forest and Landscape, Faculty of Life Sciences, University of Copenhagen, Rolighedsvej 23, 1958 Frederiksberg C, Denmark b Hampen Træforarbejdning A/S, Palsgårdvej 3, 7362 Hampen, Denmark c Department of Basic Science and Environment, Faculty of Life Sciences, University of Copenhagen, Thorvaldsensvej 40, 1870 Frederiksberg C, Denmark d Institut für Thermische Verfahrenstechnik, Technische Universität Hamburg-Harburg, Eißendorfer Straße 38, 21073 Hamburg, Germany |
| Abstract: | The degree of interaction between selected organic biocides (tebuconazole, propiconazole, and IPBC) and wood under supercritical conditions was investigated using a supercritical fluid chromatograph. The biocides were carried through a sawdust column by CO2 at various conditions. Retention times differed markedly both between the examined biocides and between physical conditions. Tebuconazole showed a higher affinity for wood than the other biocides. For all biocides, wood affinity was highest and, thus, fluid affinity lowest, at lowest pressures. |
| Keywords: | Supercritical fluid Impregnation Wood Biocide Interaction |
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