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Chromatography
Research from Sam Houston State University provide new insights into chromatography
July 4th, 2009
"Solid phase micro-extraction (SPME) was adopted to extract organic gun shot residues (OGSRs) from a single particle of partially burnt gunpowder. The partially burnt particle samples were collected from gun shot residue (GSR) deposited near the target areas," scientists writing in the Journal of Chromatography a report. "OGSRs, Such as diphenylamine (DPA), methyl centralite (MC). ethyl centralite (EC), from only one single particle of partially burnt gunpowder were Successfully extracted by SPME and analyzed by a gas chromatography coupled to a nitrogen phosphorus detector (GC-NPD). The results confirmed that the new extraction procedure is capable of extracting...
Source: Law & Health Weekly (2009-07-04)
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