Examination of used motor oils by flame AAS for criminalistic purposes: a diagnostic study

Two kinds of motor oil were examined with respect to changes in their elemental composition during car driving. The concentrations of Ba, Ca, Mg, Zn, Cu, Fe, Pb and Cd in oil samples were determined by flame atomic absorption spectrometry. Significant differences in the metal concentrations of oil s...

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Bibliographic Details
Published in:Forensic science international 1998-02, Vol.91 (3), p.171-179
Main Author: Zięba–Palus, J
Format: Article
Language:English
Subjects:
AAS
Applied sciences
Atomic absorption analysis
Atomic absorption spectroscopy
Cadmium
Calcium
Chemical composition
Copper
Crude oil, natural gas and petroleum products
Degradation
Diagnostic systems
Driving
Energy
Exact sciences and technology
Forensic sciences
Fuels
Lead
Lubricating oils
Magnesium
Medical diagnosis
Metal concentrations
Metals
Metals determination
Motors
Oil
Petroleum products, gas and fuels. Motor fuels, lubricants and asphalts
Scientific imaging
Spectral analysis
Spectrometry
Zinc
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Summary:Two kinds of motor oil were examined with respect to changes in their elemental composition during car driving. The concentrations of Ba, Ca, Mg, Zn, Cu, Fe, Pb and Cd in oil samples were determined by flame atomic absorption spectrometry. Significant differences in the metal concentrations of oil samples used during normal car service were observed. Quantitative elemental composition of oils can be recommended as a good feature for differentiation between various oil samples for criminalistic purposes.
ISSN:0379-0738
1872-6283
DOI:10.1016/S0379-0738(97)00190-4