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Supercritical fluid extraction of explosives and metabolites from composted soil

Journal Article · · Analytical Letters
 [1]; ;  [2]
  1. Universidad del Turabo, Gurabo (Puerto Rico)
  2. Oak Ridge National Lab., TN (United States)

Supercritical fluid extraction (SFE) experiments with composted explosives lagoon soil suggest that recoveries of explosives and metabolites depend more on solvent diffusivity and viscosity than on the solubility of the analytes in the supercritical fluid. Preliminary evidence suggests that SFE recoveries for octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX; a particularly difficult to extract explosive) can equal those for an 18 hr. ultrasonic extraction in acetonitrile. Much work is needed to confirm this observation, particularly to optimize the SFE conditions and improve the reproducibility of the extractions.

Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-84OR21400
OSTI ID:
96278
Journal Information:
Analytical Letters, Journal Name: Analytical Letters Journal Issue: 8 Vol. 28; ISSN ANALBP; ISSN 0003-2719
Country of Publication:
United States
Language:
English

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