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Nitro-explosives contain reducible aromatic –NO 2 groups or cyclic >N–NO 2 bonds that may undergo reductive cleavage. This work reports the development of a cyclic voltammetric (CV) assay for nitro-aromatics (trinitrotoluene (TNT), dinitrotoluene (DNT)) and nitramines (1,3,5-trinitro-1,3,5-triazacyclohexane (RDX) and octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX)) using...
Because of the extremely heterogeneous distribution of explosives in contaminated soils, on-site colorimetric methods are efficient tools to assess the nature and extent of contamination. To meet the need for rapid and low-cost chemical sensing of explosive traces or residues in soil and post-blast debris, a colorimetric absorption-based sensor for trinitrotoluene (TNT) determination has been developed...
Contaminated land and groundwater remediation in military waste dumping sites often necessitates the use of simple, cost-effective and rapid tests for detecting trinitrotoluene (TNT) and trinitrophenol (picric acid; PA) residues in the field along with their dinitro-analogues. Using PA as the model compound, a simple and field-adaptable (on-site) colorimetric method was developed for quantifying PA...
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