Journal Published Online: 02 July 2002
Volume 47, Issue 4

Determination of Luminescent Europium β-Diketonates Used as Tracers for Shadowing Pursuits



Markers with red luminescence under ultraviolet light were used as tracers for shadowing pursuits in a variety of criminal cases. The luminescent markers consisted of a mixture of 1% europium _-diketonates in Vaseline as the carrier. The visual detection limit under ultraviolet light was 1–100 ppm. Six types of europium _-diketonates were extracted with acetonitrile and promptly identified using both fluorescence spectrophotometry and electrospray ionization mass spectrometry at the detection limits of 10–100 ppb. Vaseline was readily analyzed by gas chromatography. The markers were scientifically identified for criminal proof in the field of forensic science. Three examples of the use of luminescent markers are described.

Author Information

Kurata, S
Criminal Investigation Laboratory, Tokyo, Japan
Hirano, H
Criminal Investigation Laboratory, Tokyo, Japan
Nagai, M
Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Tokyo, Japan
Pages: 8
Price: $25.00
Reprints and Permissions
Reprints and copyright permissions can be requested through the
Copyright Clearance Center
Stock #: JFS15449J
ISSN: 0022-1198
DOI: 10.1520/JFS15449J