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Binding of trinitrotoluene (TNT) to water extractable humus

AuthorsKnicker, Heike ; Müller, Petra
Issue Date2003
CitationEnvironmental Chemistry Letters 1 (2): 121-125 (2003)
AbstractSolid-state 15N NMR was applied to the aqueous extracts of a 13C-enriched plant slurry (Lolium perenne), anaerobically incubated with 15N3-trinitrotoluene (TNT). Almost all 15N3-TNT transformation products became covalently bound to the plant-derived organic material extractable with water. DCPMAS 15N 13C NMR revealed a three-step reaction scheme. After reduction of TNT, the aryl amines are acetylated. Subsequent alkylation of the resulting amides strengthens the incorporation of TNT-transformation products into humic material. Comparable results have been recently obtained under aerobic conditions, which indicates that this pathway is a common process during biological TNT transformation.
Publisher version (URL)http://dx.doi.org/10.1007/s10311-003-0028-5
Appears in Collections:(IRNAS) Artículos
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