| Factors Affecting the Forensic Examination of Automotive Lubricating Oils* | |
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MedLine Citation:
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PMID: 21361948 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Lubricating oil comparisons impact a variety of forensic investigations, including cases where oil was transferred from a suspect vehicle to the crime scene or victim. In this study, high-temperature gas chromatography/mass spectrometry was used to examine the influence of oil mixtures and oil changes over time on the comparison of known and questioned lubricating oils. Varying concentrations of oil mixtures were prepared and showed the potential for identifying individual components. Motor oils from 18 automobiles monitored over a 2-month period did not demonstrate significant changes in the chromatographic data. Chemometric analysis of motor oil mass spectral data provided little information regarding differentiation of, or changes in, the samples. Power steering fluid (PSF) from a naturally occurring leak collected from several locations was consistent with the PSF in the automobile's reservoir, and the PSF composition did not change over time. |
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Authors:
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Ryan Hibbard; John V Goodpaster; Michelle R Evans |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-1 |
Journal Detail:
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Title: Journal of forensic sciences Volume: - ISSN: 1556-4029 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-3-2 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0375370 Medline TA: J Forensic Sci Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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2011 American Academy of Forensic Sciences. Published 2011. This article is a U.S. Government work and is in the public domain in the U.S.A. |
Affiliation:
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Bureau of Alcohol, Tobacco, Firearms and Explosives, Forensic Science Laboratory-Washington, 6000 Ammendale Road, Ammendale, MD 20705. Department of Chemistry and Chemical Biology, Indiana University-Purdue University Indianapolis, 402 N. Blackford Street, LD 326, Indianapolis, IN 46202. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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