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NCJRS Abstract

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NCJ Number: 222500 Find in a Library
Title: Preliminary Evaluation and Sampling of Some Commonly Used Two-Part Epoxies
Author(s): Stephanie Kleinjan; Sarah Walbridge
Date Published: April 2008
Page Count: 6
Document: HTML
Type: Report (Technical)
Format: Document (Online)
Language: English
Country: United States of America
Annotation: This paper presents findings from a preliminary evaluation of two-part epoxies (encountered in forensic casework) using a variety of instrumental techniques.
Abstract: Results showed that the discriminating capability of the techniques employed depended on the type of epoxy. In addition, even after all visual, microscopic, and instrumental examinations, some epoxies within a group could not be differentiated from the others. Epoxy products and other types of adhesives are often used in the construction of improvised explosive devices (IEDs). However, little research has explained the characterization of two-part epoxies in forensic casework. This study was intended to be a preliminary evaluation of two-part epoxies using a variety of instrumental techniques. The techniques used to analyze the epoxies were Fourier transform infrared spectroscopy (FTIR), X-ray fluorescence (XRF), X-ray diffraction (XRD), polarized light microscopy (PLM), and pyrolysis-gas chromatograph-mass spectrometry (Py-GC-MS). References
Main Term(s): Incendiary devices
Index Term(s): Crime laboratories; Explosives; Forensic sciences
Note: From Forensic Science Communications, V 10, N 2, April 2008; downloaded April 29, 2008.
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