Sorption and Degradation of Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine in Soil

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DOIResolve DOI: http://doi.org/10.1021/es030407e
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TypeArticle
Journal titleEnvironmental Science and Technology
Volume37
Issue17
Pages38783884; # of pages: 7
Subjectenv
AbstractThe sorption/desorption and long-term fate of octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX) was examined using sterilized and nonsterilized soils. Two soils were used that differ mainly by the amount of total organic carbon (TOC): an agricultural topsoil (VT, 8.4% TOC) and a sandy soil (SSL, 0.33% TOC). The adsorption isotherms performed at room temperature were well-described by a linear model, which led to sorption distribution coefficients of 2.5 and 0.7 L kg(-1) for VT and SSL soils, respectively. The organic content of soil did not significantly affect HMX sorption. Over a period of 20 weeks, HMX degraded (60% disappearance) in static anaerobic nonsterile VT soil preparations. In separate experiments using UL-[14C]-HMX, 19% mineralization (liberated 14CO2) was obtained in 30 weeks. In addition, four nitroso derivatives of HMX were detected. Knowing the sorption/desorption behavior and the long-term fate of HMX in soil will help assess the effectiveness of natural attenuation for HMX removal.
Publication date
LanguageEnglish
AffiliationNRC Biotechnology Research Institute; National Research Council Canada
Peer reviewedNo
NRC number45950
NPARC number3539330
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Record identifier1f3a4255-3985-4657-97d1-1f8722ecf093
Record created2009-03-01
Record modified2016-05-09
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