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NCJRS Abstract

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NCJ Number: 181045 Add to Shopping cart Find in a Library
Title: Application of Static Secondary Ion Mass Spectrometry to Trace Evidence Analysis
Author(s): Gary S. Groenewold; Garold L. Gresham; Recep Avci
Corporate Author: Idaho National Engineering Laboratory
EG&G Idaho, Inc
United States of America
Date Published: 1999
Page Count: 107
Sponsoring Agency: Idaho National Engineering Laboratory
Idaho Falls, ID 83415
National Institute of Justice (NIJ)
Washington, DC 20531
National Institute of Justice/NCJRS
Rockville, MD 20849
NCJRS Photocopy Services
Rockville, MD 20849-6000
Grant Number: 97-IJ-CX-A050
Publication Number: INEEL/EXT-99-00955;
Sale Source: National Institute of Justice/NCJRS
Box 6000
Rockville, MD 20849
United States of America

NCJRS Photocopy Services
Box 6000
Rockville, MD 20849-6000
United States of America
Document: PDF
Type: Report (Technical)
Format: Document
Language: English
Country: United States of America
Annotation: This study assesses the efficacy of static secondary ion mass spectrometry (SIMS) for providing highly specific chemical characterization of trace evidence samples.
Abstract: Samples coated with automotive paint and with nail polishes could be distinguished on the basis of their SIMS spectra, provided the data were reduced using multivariate analysis techniques. Hair samples could be readily characterized in terms of the consumer chemicals present on the surface, namely soap and softener chemicals. Heroin and cocaine could be readily detected on fiber surfaces using SIMS. The study describes methods for analyzing hair and fiber samples. The SIMS technique has the potential to provide a chemical-specific characterization for a variety of trace evidence characterizations. Use of the technique is limited by the high cost of instrumentation and data interpretation and by the level of expertise required for routine operation. Figures, tables, references
Main Term(s): Police
Index Term(s): Crime laboratories; Crime laboratory equipment; Data analysis; Evidence identification; Hair and fiber analysis; Paint analysis; Spectroscopy; Testing and measurement; Trace evidence
Note: Project Number 7-9192-ID-IJ, Non-Technical Summary Included
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