Laser induced breakdown spectroscopy as a tool for discrimination of glass for forensic applications

Materials analysis and characterization can provide important information as evidence in legal proceedings. The potential of laser induced breakdown spectroscopy (LIBS) for the discrimination of glass fragments for forensic applications is presented here. The proposed method is based on the fact tha...

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Published in:Analytical and bioanalytical chemistry 2008-07, Vol.391 (5), p.1961-1968
Main Authors: Rodriguez-Celis, E. M, Gornushkin, I. B, Heitmann, U. M, Almirall, J. R, Smith, B. W, Winefordner, J. D, Omenetto, N
Format: Article
Language:English
Subjects:
Analytical Chemistry
Biochemistry
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Correlation analysis
Food Science
Forensic
glass
Laboratory Medicine
Laser induced breakdown spectroscopy
material identification
Monitoring/Environmental Analysis
Original Paper
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cited_by cdi_FETCH-LOGICAL-c463t-2517329b75948c7054323a3943f6e7c9fed4084ab97a12c64ef0cd02fe6d0bf53
cites cdi_FETCH-LOGICAL-c463t-2517329b75948c7054323a3943f6e7c9fed4084ab97a12c64ef0cd02fe6d0bf53
container_end_page 1968
container_issue 5
container_start_page 1961
container_title Analytical and bioanalytical chemistry
container_volume 391
creator Rodriguez-Celis, E. M
Gornushkin, I. B
Heitmann, U. M
Almirall, J. R
Smith, B. W
Winefordner, J. D
Omenetto, N
description Materials analysis and characterization can provide important information as evidence in legal proceedings. The potential of laser induced breakdown spectroscopy (LIBS) for the discrimination of glass fragments for forensic applications is presented here. The proposed method is based on the fact that glass materials can be characterized by their unique spectral fingerprint. Taking advantage of the multielement detection capability and minimal to no sample preparation of LIBS, we compared glass spectra from car windows using linear and rank correlation methods. Linear correlation combined with the use of a spectral mask, which eliminates some high-intensity emission lines from the major elements present in glass, provides effective identification and discrimination at a 95% confidence level.
doi_str_mv 10.1007/s00216-008-2104-y
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subjects Analytical Chemistry
Biochemistry
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Correlation analysis
Food Science
Forensic
glass
Laboratory Medicine
Laser induced breakdown spectroscopy
material identification
Monitoring/Environmental Analysis
Original Paper
title Laser induced breakdown spectroscopy as a tool for discrimination of glass for forensic applications
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