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Scheunert, I. ; Schröder, P.

Formation, characterization and release of non-extractable residues of [14C]-labeled organic xenobiotics in soils.

Environ. Sci. Pollut. Res. 5, 238-244 (1998)
DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
The amount of non-extractable residues (NER) of organic xenobiotics in the soil can considerably exceed the amount of extractable residues which are accessible to normal residue analysis. The NER therefore present a burden to the soil, the toxicological and ecotoxicological potential of which is largely unknown. For the characterization of bound residues and their binding type, special solubilization methods such as supercritical fluid extraction are applied and experiments with radiolabeled model polymers are performed. Mineralization experiments with [(14)C] labeled xenobiotics in natural soil show that a total degradation is still also possible in the environment when in a bound form. Ecotoxicological effects of non-extractable residues may be recorded when their concentration is high, when the parent compound exhibits a high ecotoxicity and the applied detection method is sufficiently sensitive.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter 14-C-labeled organic xenobiotics; concepts; degradation; methods; mineralization; non-extractable residues (NER), release; organic xenobiotics; residues; non-extractable; soil sciences; PESTICIDE-RESIDUES; OUTDOOR CONDITIONS; LONG-TERM; PLANTS; CHEMICALS; PROMETRYN; ACID; FATE
ISSN (print) / ISBN 0944-1344
e-ISSN 1614-7499
Zeitschrift Environmental Science and Pollution Research
Quellenangaben Band: 5, Heft: 4, Seiten: 238-244 Artikelnummer: , Supplement: ,
Verlag Springer
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Soil Ecology (IBOE)
Research Unit Microbe-Plant Interactions (AMP)