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NCJRS Abstract

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NCJ Number: 222157 Find in a Library
Title: Characterization of Automobile Body Fillers
Journal: Journal of Forensic Sciences  Volume:53  Issue:1  Dated:January 2008  Pages:116-124
Author(s): Sara C. McNorton M.S.; Guy W. Nutter B.S.; Jay A. Siegel Ph.D.
Date Published: January 2008
Page Count: 9
Sponsoring Agency: Midwestern Assoc of Forensic Scientists, Inc
Indianapolis, IN 46204
Type: Report (Study/Research)
Format: Article
Language: English
Country: United States of America
Annotation: This study determined whether chemical and physical differences in body fillers used by various vehicle manufacturers exist and can be identified.
Abstract: Analysis with fourier transform infrared spectroscopy placed the 33 samples of light-weight automobile body fillers into 5 groups and differentiated 6 samples. Light microscopy placed the samples into one of five color groups. Pyrolysis gas chromatography placed the samples into three groups and differentiated one sample. SEM-EDX placed the samples into 4 groups and differentiated 16 samples. Using these analytical methods, 19 of the 33 samples could be discriminated. If all of the four analytical techniques are not available to examine an unknown body filler or spot putty sample, the authors conclude that the best discriminatory technique is SEM-EDX. The paper provides detailed descriptions of each of the analytical procedures tested. 5 tables, 9 figures, and 3 references
Main Term(s): Criminology
Index Term(s): Auto related offenses; Chromatography; Evidence collection; Forensic sciences; Infrared techniques; Investigative techniques; Spectroscopy
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