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Development And Validation Of A Solid Phase Extraction Sample Cleanup Procedure For The Recovery Of Trace Levels Of Nitro-Organic Explosives In Soil, Jennifer L. Thomas, Christopher C. Donnelly, Erin W. Lloyd, Robert F. Mothershead Ii, Mark L. Miller
Development And Validation Of A Solid Phase Extraction Sample Cleanup Procedure For The Recovery Of Trace Levels Of Nitro-Organic Explosives In Soil, Jennifer L. Thomas, Christopher C. Donnelly, Erin W. Lloyd, Robert F. Mothershead Ii, Mark L. Miller
United States Department of Justice: Publications and Materials
An improved cleanup method has been developed for the recovery of trace levels of 12 nitro-organic explosives in soil, which is important not only for the forensic community, but also has environmental implications. A wide variety of explosives or explosive-related compounds were evaluated, including nitramines, nitrate esters, nitroaromatics, and a nitroalkane. Fortified soil samples were extracted with acetone, processed via solid phase extraction (SPE), and then analyzed by gas chromatography with electron capture detection. The following three SPE sorbents in cartridge format were compared: EmporeTM SDB-XC, Oasis HLB, and Bond Elut NEXUS cartridges. The NEXUS cartridges provided the best …