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NCJ Number: 250537 Find in a Library
Title: Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) and Laser Induced Breakdown Spectroscopy (LIBS) Analyses of Paper, Inks, and Soils
Author(s): Jose Almirall
Date Published: January 2017
Page Count: 15
Sponsoring Agency: National Institute of Justice (NIJ)
Washington, DC 20531
US Dept of Justice NIJ Pub
Washington, DC 20531
Grant Number: 2010-DN-BX-K179
Sale Source: US Dept of Justice NIJ Pub
810 Seventh Street, NW
Washington, DC 20531
United States of America
Document: PDF
Type: Program/Project Description; Report (Grant Sponsored); Report (Study/Research); Research (Applied/Empirical)
Format: Document; Document (Online)
Language: English
Country: United States of America
Annotation: This project’s goal was to demonstrate the utility of an analytical chemistry tool that is relatively new to forensic laboratories, Laser Induced Breakdown Spectroscopy (LIBS), in conducting elemental analysis of ink, paper, and soil evidence quickly and with little or no sample preparation.
Abstract: The commercial LIBS instrumental results were compared to previously optimized in-house LIBS systems and also to the alternative forensic tools of LA-ICP-MS, mXRF, and SEM-EDS, which offer good analytical performance but suffer from either very high costs and significant complexity (in the case of LS-ICP-MS) or analytical limitations in the form of sample requirement and relatively high detection limits (in the case of mXRF and SEM-EDS). Although less mature than LA-ICP-MS, LIBS also shares the benefits associated with laser ablation methods, with the added advantage of improved speed, versatility, ease of operation, affordability, and portability. This project shows that both LA-ICP-MS and LIBS are useful analytical tools for the analysis of paper, inks, soil, and cotton. The results have been presented in analytical chemistry and forensic science journals and venues. 4 figures, 2 tables, and 5 references
Main Term(s): Forensic sciences
Index Term(s): Document analysis; Ink analyses; Investigative techniques; Mineral analysis; National Institute of Justice (NIJ); NIJ final report; Paper analysis
To cite this abstract, use the following link:
http://www.ncjrs.gov/App/publications/abstract.aspx?ID=272703

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