Journal Published Online: 01 January 1983
Volume 28, Issue 1

Individualization of Automobile Engine Oils I: The Introduction of Variable Separation Synchronous Excitation Fluorescence to Engine Oil Analysis

CODEN: JFSCAS

Abstract

Automobile lubricants are frequently encountered at the scene of a crime and are submitted along with standards from the defendant's vehicle in order to establish common origin. The measurement of the total visible fluorescence by emission, synchronous excitation emission, and variable separation synchronous excitation (VSSE) spectra has been shown to individualize motor oils to a high degree. Spectra obtained from specimens at liquid nitrogen temperature increased the discrimination value of these techniques. The data obtained on 61 automobile lubricants is presented and conclusions discussed with particular emphasis on the recently developed VSSE technique.

Author Information

Kubic, TA
Scientific Investigation Bureau, Nassau County Police Department, Mineola, NY
Lasher, CM
Criminalistics Laboratory, Suffolk County Medical Examiner's Office, Hauppaugue, NY
Dwyer, J
C. W. Post College, Greenvale, NY
Pages: 14
Price: $25.00
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Stock #: JFS12251J
ISSN: 0022-1198
DOI: 10.1520/JFS12251J