Environmental process descriptors for TNT, TNT-related compounds and picric acid in marine sediment slurries.

Environmental process descriptors for TNT, TNT-related compounds and picric acid in marine sediment slurries. Research Abstract Details 

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Environmental process descriptors for TNT, TNT-related compounds and picric acid in marine sediment slurries. Abstract Text:

Sally L Yost,Judith C Pennington,James M Brannon,Charolett A Hayes,

Process descriptors were determined for picric acid, TNT, and the TNT-related compounds 2,4DNT, 2,6DNT, 2ADNT, 4ADNT, 2,4DANT, 2,6DANT, TNB and DNB in marine sediment slurries. Three marine sediments of various physical characteristics (particle size ranging from 15 to >90% fines and total organic carbon ranging from <0.10 to 3.60%) were kept in suspension with 20ppt saline water. Concentrations of TNT and its related compounds decreased immediately upon contact with the marine sediment slurries, with aqueous concentrations slowly declining throughout the remaining test period. Sediment-water partition coefficients could not be determined for these compounds since solution phase concentrations were unstable. Kinetic rates and half-lives were influenced by the sediment properties, with the finer grained, higher organic carbon sediment being the most reactive. Aqueous concentrations of picric acid were very stable, demonstrating little partitioning to the sediments. Degradation to picramic acid was minimal, exhibiting concentrations at or just above the detection limit.

Environmental process descriptors for TNT, TNT-related compounds and picric acid in marine sediment slurries. Publishing Authors By Initials

SL Yost,JC Pennington,JM Brannon,CA Hayes,

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Environmental process descriptors for TNT, TNT-related compounds and picric acid in marine sediment slurries. Journal Published:

PUBLICATION TYPE: Research Support, U.S. Gov't,

Journal: Marine pollution bulletin

VOLUME: 54

Page Numbers: 1262-6

Journal Abbreviation: Mar. Pollut. Bull.

ISSN: 0025-326X

DAY: 21

MONTH: 05

YEAR: 2007

Environmental process descriptors for TNT, TNT-related compounds and picric acid in marine sediment slurries. Information

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LANGUAGE: eng

NlmUniqueID: 260231

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Grant and Affiliation Information for Environmental process descriptors for TNT, TNT-related compounds and picric acid in marine sediment slurries.

AFFILIATION: SpecPro, Inc., 4815 Bradford Drive, Suite 201, Huntsville, AL 35805, USA. Sally.L.Yost@erdc.usace.army.mil

Country: England

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MEDLINETA: Mar Pollut Bull

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