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000011660 0247_ $$2pmid$$apmid:19748732
000011660 0247_ $$2DOI$$a10.1016/j.jhazmat.2009.08.090
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000011660 084__ $$2WoS$$aEngineering, Environmental
000011660 084__ $$2WoS$$aEngineering, Civil
000011660 084__ $$2WoS$$aEnvironmental Sciences
000011660 1001_ $$0P:(DE-HGF)0$$aSingh, N.$$b0
000011660 245__ $$aEffect of soil organic matter chemistry on sorption of trinitrotoluene and 2,4-dinitrotoluene
000011660 260__ $$aNew York, NY [u.a.]$$bScience Direct$$c2010
000011660 300__ $$a
000011660 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
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000011660 440_0 $$022085$$aJournal of Hazardous Materials$$v173$$x0304-3894$$y1
000011660 500__ $$aNeera Singh was supported by a research fellowship from the Alexander von Humboldt Foundation, Bonn, Germany.
000011660 520__ $$aThe sorption of organic contaminants in soil is mainly attributed to the soil organic matter (SOM) content. However, recent studies have highlighted the fact that it is not the total carbon content of the organic matter, but its chemical structure which have a profound effect on the sorption of organic contaminants. In the present study sorption of two nitroaromatic contaminants viz. trinitrotoluene (TNT) and 2,4-dinitrotoluene (2,4-DNT) was studied in different SOM fractions viz. a commercial humic acid, commercial lignin and humic acid and humin extracted from a compost. (13)C-DP/MAS NMR studies indicated that the structural composition of the organic carbon in different SOM fractions was different. The order of sorption of the nitroaromatics in the different sorbents was: humic acid-commercial>humic acid-compost>humin approximately lignin. Among the aliphatic and aromatic carbon fractions (representing bulk of SOM matrix), adsorption parameter K(f)(1/n) for nitroaromatics sorption correlated well with the aliphatic carbon (r=0.791 for TNT and 0.829 for 2,4-DNT) than the aromatic carbon (r=0.634 for TNT and r=0.616 for 2,4-DNT). However, among carbon containing functional groups, carbonyl carbon showed strong positive correlation with sorption of TNT (r=0.991) and 2,4-DNT (r=0.967) while O-alkyl carbon showed negative correlation (r=0.832 for TNT and r=0.828 for 2,4-DNT). The study indicates that aliphatic domains in the SOM significantly affect the non-specific sorption of both the nitroaromatic contaminants.
000011660 536__ $$0G:(DE-Juel1)FUEK407$$2G:(DE-HGF)$$aTerrestrische Umwelt$$cP24$$x0
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000011660 650_2 $$2MeSH$$aAdsorption
000011660 650_2 $$2MeSH$$aChelating Agents: analysis
000011660 650_2 $$2MeSH$$aChromatography, High Pressure Liquid
000011660 650_2 $$2MeSH$$aDinitrobenzenes: chemistry
000011660 650_2 $$2MeSH$$aExplosive Agents: analysis
000011660 650_2 $$2MeSH$$aHumic Substances: analysis
000011660 650_2 $$2MeSH$$aLignin
000011660 650_2 $$2MeSH$$aMagnetic Resonance Spectroscopy
000011660 650_2 $$2MeSH$$aSoil: analysis
000011660 650_2 $$2MeSH$$aSpectrophotometry, Ultraviolet
000011660 650_2 $$2MeSH$$aTrinitrotoluene: chemistry
000011660 650_7 $$00$$2NLM Chemicals$$aChelating Agents
000011660 650_7 $$00$$2NLM Chemicals$$aDinitrobenzenes
000011660 650_7 $$00$$2NLM Chemicals$$aExplosive Agents
000011660 650_7 $$00$$2NLM Chemicals$$aHumic Substances
000011660 650_7 $$00$$2NLM Chemicals$$aSoil
000011660 650_7 $$0118-96-7$$2NLM Chemicals$$aTrinitrotoluene
000011660 650_7 $$0602-01-7$$2NLM Chemicals$$a2,3-dinitrotoluene
000011660 650_7 $$09005-53-2$$2NLM Chemicals$$aLignin
000011660 650_7 $$2WoSType$$aJ
000011660 65320 $$2Author$$aTrinitrotoluene
000011660 65320 $$2Author$$a2,4-Dinitrotoluene
000011660 65320 $$2Author$$aSorption
000011660 65320 $$2Author$$aNMR spectroscopy
000011660 65320 $$2Author$$aOrganic matter chemistry
000011660 7001_ $$0P:(DE-Juel1)129438$$aBerns, A. E.$$b1$$uFZJ
000011660 7001_ $$0P:(DE-HGF)0$$aHennecke, D.$$b2
000011660 7001_ $$0P:(DE-HGF)0$$aHörner, J.$$b3
000011660 7001_ $$0P:(DE-HGF)0$$aKördel, W.$$b4
000011660 7001_ $$0P:(DE-HGF)0$$aSchäffer, A.$$b5
000011660 773__ $$0PERI:(DE-600)1491302-1$$a10.1016/j.jhazmat.2009.08.090$$gVol. 173$$q173$$tJournal of hazardous materials$$v173$$x0304-3894$$y2010
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