Pressurised hot-water extraction of brominated flame retardants in sediment samples |
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| Authors: | T Hyötyläinen K Hartonen S Säynäjoki M -L Riekkola |
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| Institution: | (1) Department of Chemistry, Laboratory of Analytical Chemistry, University of Helsinki, P.O. Box 55, 00014, Finland |
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| Abstract: | Summary A pressurised, hot-water extraction (PHWE) method was developed for brominated flame-retardants in sediments. The effect of
extraction time, temperature and pressure on PHWE recovery was investigated, together with solid-phase collection parameters
(trapping material, length of trapping column, eluent composition). The concentrated extracts were analysed by GC-MS. PHWE
recoveries were compared with those obtained by conventional Soxhlet-extraction. In general, recoveries were much higher with
PHWE than with Soxhlet. |
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| Keywords: | Gas chromatography Brominated flame retardants Sediment samples Soxhlet extraction Pressurised ho water extraction |
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