In contrast, another traditional test for finding gunshot residue, the modified Griess test, often fails because it lacks such specificity. Its analysis is based on the detection of Nitrogen-based compounds called nitrites, which are gunpowder byproducts.
www.sciencedaily.com/releases/2008/04/080407074558.htm
Whenever a gun is fired, the shooter gets sprayed with an invisible blast of chemical residues that are byproducts of the incomplete combustion of gunpowder, ... The first 2,000 gunshot residue detection kits are being tested with police departments in New York state and the Los Angeles, San Diego, and Phoenix metro...
www.sciencedaily.com/releases/2002/02/020214080016.htm
Sandia gun residue detection technique will help police ID shooters right at the crime scene ... Whenever a gun is fired, the shooter gets sprayed with an invisible blast of chemical residues that are byproducts of the incomplete combustion of gunpowder, primer, and lubricants.
www.sandia.gov/media/NewsRel/NR2002/gunres.htm
labnews02-08-02 (PDF File)
Labs-tested gun residue detection technique will help cops ID shooters right at the crime scene; Colorado company to test field kits with ... Whenever a gun is fired, the shooter gets sprayed with an invisible blast of chemical residues that are byproducts of the incomplete combustion of gunpowder and lubricants.
www.sandia.gov/LabNews/LN02-08-02/labnews02-08-02.pdf
Field Test Kit for Gunshot Residue; Detection; Pamela K. Walker and Philip J. Rodacy; Prepared by; Sandia National Laboratories; Albuquerque, New Mexico 87185 ... Gunshot Residue Identification based on Sandia National Laboratories technology works with a wide variety of handguns and other weaponry using gunpowder.
www.prod.sandia.gov/cgi-bin/techlib/access-control.pl/2... www.prod.sandia.gov/cgi-bin/techlib/access-control.pl/2001/013942.pdf
Gunshotresidue.com is the website of Eastern Analytical and Ardennes Analytique, companies based in the Ardennes region of Wallonia in Belgium and specialising in software and ... Eastern Analytical - Welcome NEW PRODUCTS...
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Spectrophotometric Determination of Nitrites in Gunpowder Residue on Shooters' Hands; Steinberg, M; Associate professor of inorganic and analytical chemistry, Department of Inorganic and Analytical Chemistry, Hebrew University, Jerusalem. Classic and modified Griess reagents were compared for the detection of nitrites.
www.astm.org/JOURNALS/FORENSIC/PAGES/451.htm
MANILA, Philippines – (UPDATE) The wife of television news anchor Ted Failon has tested negative for gunpowder residue, a police official said. ... But Superintendent Franklin Mabanag, chief of the Quezon City Criminal Investigation and Detection Unit (CIDU), said that they would still have to further analyze the results...
newsinfo.inquirer.net/breakingnews/metro/view/20090417-... newsinfo.inquirer.net/breakingnews/metro/view/20090417-199891/Failons-wife-negative-for-gunpowder-residue
In practicality, the long and the short of it was that the gunpowder residue tests might have no forensic value at all to the investigation.  For example, if the trace metal detection test was administered, it can be determined whether or not a person has recently been in contact with metal.  Big deal.  In that test,
www.trutv.com/library/crime/notorious_murders/family/ba... www.trutv.com/library/crime/notorious_murders/family/bakley/11.html
Metal Detection ... BlueView Gunpowder Particle Test Kits/Box of 10; $99.50 ; BV100 ... ; EXPLOSIVES RESIDUE TEST KIT; $225.50 ; ERTT10...
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