Abstract/Details

Organic Gunshot Residue: Detection, Identification, and Characterization for Forensic Purposes

Khandasammy, Shelby R.   State University of New York at Albany ProQuest Dissertations & Theses,  2022. 30242680.

Abstract (summary)

The major focus of this thesis was to explore methods for the detection, identification, and characterization of organic gunshot residues (OGSRs) for forensic purposes using various spectroscopic techniques. There are four major projects detailed in this thesis. The first project details the development of a novel-two step method for the detection and identification of organic gunshot residues using fluorescence spectroscopy for detection and Raman spectroscopy as a confirmatory step. The second chapter builds upon the study conducted in the first chapter by applying the novel-two step method covered in the first chapter to OGSRs directly fired into cloth substrates. This study also further explored the usage of 3-D Raman terrain mapping techniques in order to attain spectra of OGSR particles embedded in cloth substrates. The third chapter investigated the usage of Raman spectroscopy and Laser-induced breakdown spectroscopy (LIBS) to differentiate between OGSRs stemming from closely related types of ammunition stemming from the same caliber and ammunition types. The final chapter details a study in which smokeless powders (the major precursor to OGSRs) were analyzed via Raman spectroscopy and differentiated by ammunition manufacturer and caliber using a “hierarchical” modelling system involving advanced chemometric techniques.

Indexing (details)


Subject
Analytical chemistry
Classification
0486: Analytical chemistry
Identifier / keyword
Gunshot residue; LIBS; Raman spectroscopy
Title
Organic Gunshot Residue: Detection, Identification, and Characterization for Forensic Purposes
Author
Khandasammy, Shelby R.
Number of pages
101
Publication year
2022
Degree date
2022
School code
0668
Source
DAI-B 84/6(E), Dissertation Abstracts International
ISBN
9798363504495
Advisor
Lednev, Igor
University/institution
State University of New York at Albany
Department
Chemistry
University location
United States -- New York
Degree
Ph.D.
Source type
Dissertation or Thesis
Language
English
Document type
Dissertation/Thesis
Dissertation/thesis number
30242680
ProQuest document ID
2756149061
Copyright
Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works.
Document URL
https://www.proquest.com/docview/2756149061