National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Comparison of ecotoxicity and persistent organic pollutant bioavailability in real contaminated soil, using selective supercritical fluid extraction (SFE)
Čvančarová, Monika ; Křesinová, Zdena ; Cajthaml, Tomáš
The amount of bioavailable polychlorinated biphenyls (PCBs) and polycyclic aromatic hydrocarbons (PAHs) in contaminated soil was estimated using Supercritical fluid extraction (SFE). The toxicity of contaminated soil was determinated using different organisms: earthworms Eisenia fetida, duckweed Lemna minor, crustacean Heterocypris incongruens, bioluminiscent bacterium Vibrio fischeri and worms Enchytraeus crypticus. There was a different amount of bioavailable fraction in each soil. There was close relationship between ecotoxicity and bioavailability in PAHs contaminated soil
Interakce mezi extrahovanými látkami a mezi extrahovanou látkou a matricí při superkritické extrakci z rostlin
Sovová, Helena ; Sajfrtová, Marie ; Opletal, L. ; Bártlová, Milena
The present study is focused on the solubility of solutes during their extraction from plants, which is affected by vegetable matrix and co-extracted substances and therefore it may substantially differ from the solubility of pure solutes in CO2.

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