(Received 20 August 1982; accepted 24 September 1982)
Published Online: April
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Forty-five used automobile engine oils were analyzed with conventional fluorescence techniques as well as synchronous excitation and variable separation synchronous excitation fluorometry. Only two samples were considered to be indistinguishable in this group of samples. The high sensitivity, nondestructiveness, and rapidity of these procedures, coupled with their high discriminating power, make fluorometry a method that can be recommended in forensic oil individualization.
Graduate student, John Jay College of Criminal Justice, New York, NY
Detective criminalist, Scientific Investigation Bureau, Nassau County Police Department, Mineola, NY
Stock #: JFS11514J