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Gunshot Residue Analysis

Citations

Gilchrist, Elizabeth, Fleur Jongekrijg, Laura Harvey, Norman Smith, and Leon Barron. "Characterization of Gunshot Residue From Three Ammunition Types Using Suppressed Anion Exchange Chromatography." Forensic Science International 221.1 (2012): 50-56. ProQuest. Web. 22 Apr. 2014.

Chemical Make-Up of Gun Powder

Test Types

Technology

Global Chemistry 100

Kessner, B.C. "Mistral Group Introduces New Gunshot Residue Detection Kit." Defense Daily International 7.29 (2006): n. pag. ProQuest. Web. 22 Apr. 2014.

Lundrigan, Nicole. "Gunshot Residue Technology." Law & Order 52.5 (2004): 66-68. ProQuest. Web. 22 Apr. 2014.

Aspex

(acquired by FEI in 2012)

chemical equation for the combustion of black powder-

10 KNO3 + 3 S + 8 C → 2 K2CO3 + 3 K2SO4 + 6 CO2 + 5 N2.

Luntz, Stephen. "Gunshot Residue Test." Australasian Science 32.10 (2011): n. pag. ProQuest. Web. 22 Apr. 2014.

  • Dermal Nitrate Test
  • X-Ray Analysis
  • Sodium Rhodizonate Test
  • Harrison Gilroy Test
  • Modified Griess Test

Technology based manufacturing company that produces electron microscopy technology

Alex Peter

Lizzie Peters

Zachary Peterson

Romolo, F.s., M.e. Christopher, M. Donghi, L. Ripani, C. Jeynes, R.p. Webb, N.i. Ward, K.j. Kirkby, and M.j. Bailey. "Integrated Ion Beam Analysis (IBA) in Gunshot Residue (GSR) Characterisation." Forensic Science International 231.1-3 (2013): 219-28. ProQuest. Web. 22 Apr. 2014.

chemical equation for the decomposition of regular black powder with the use of sulfur:

4 KNO3 + C7H4O + 2 S —> 2 K2S + 4 CO2 + 3 CO + 2 H2O + 2 N2

Black powder without the use of sulfur:

6 KNO3 + C7H4O —> 3 K2CO3 + CO2 + 6 CO + 2 H2O + 2 N2

"Combustion Characteristics of Gun Powder." Gun Powder. N.p., n.d. Web. 27 Apr. 2014.

"Lesson 3: Testing for Gunshot Residue." Gunshot Residue Analysis. N.p., n.d. Web. 27 Apr. 2014.

Recent Studies

https://www.google.com/search?q=aspex+corporation&espv

"GSR: How Do You Know You're Right?" Forensic Magazine. N.p., n.d. Web. 01 May 2014.

http://www.laboratoryequipment.com/product-releases/2012/11/unit-combines-sem-edx-technology

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