Routine analysis of hydrocarbons, PCB and PAH in marine sediments using supercritical CO2 extraction
Automated Supercritical Fluid Extraction (SFE), using CO2, was tested and optimised for routine analysis of hydrocarbons (THC), polychlorinated biphenyls (PCB) and polycyclic aromatic hydrocarbons (PAH) in marine sediments. The aim of the exercise was to reduce the amount of solvents used and to red...
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| Veröffentlicht in: | Chemosphere (Oxford) 1999-02, Vol.38 (3), p.587-599 |
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| creator | BERG, B. E LUND, H. S KRINGSTAD, A KVERNHEIM, A. L |
| description | Automated Supercritical Fluid Extraction (SFE), using CO2, was tested and optimised for routine analysis of hydrocarbons (THC), polychlorinated biphenyls (PCB) and polycyclic aromatic hydrocarbons (PAH) in marine sediments. The aim of the exercise was to reduce the amount of solvents used and to reduce the manual handling time for each sample. The sediments contained elemental sulphur, which was removed during the extraction step using activated Cu. Similar recoveries and reproducibility where found for THC when conventional solvent extractions and SFE where compared. Modifying the CO2 with methanol was necessary to obtain extraction recoveries similar to conventional extraction methods for PCB and PAH. |
| doi_str_mv | 10.1016/s0045-6535(98)00213-6 |
| format | Article |
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Modifying the CO2 with methanol was necessary to obtain extraction recoveries similar to conventional extraction methods for PCB and PAH.</description><subject>Analysis methods</subject><subject>Applied sciences</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Engineering and environment geology. 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| source | Elsevier ScienceDirect Journals |
| subjects | Analysis methods Applied sciences Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Exact sciences and technology Pollution Pollution, environment geology Soil and sediments pollution |
| title | Routine analysis of hydrocarbons, PCB and PAH in marine sediments using supercritical CO2 extraction |
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