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Characterization and aging study of currency ink and currency canine training aids using headspace SPME/GC-MS
- Source :
- Journal of forensic sciences. 48(4)
- Publication Year :
- 2003
-
Abstract
- Solid-phase microextraction/gas chromatography-mass spectrometry (SPME/GC-MS) was used to characterize the volatile components associated with U.S. currency, U.S. currency inks, and Canadian currency. Compounds that can be attributed to the ink-curing process include series of straight-chain aldehydes, alkenals, acids, alcohols, and ketones and a series of lactones and 2-alkyl furans. Solvent compounds include naphthenic and paraffinic hydrocarbons with a profile typical of petroleum products, alkyl cyclohexanes, various ethylene glycol alkyl ethers, and traces of chlorinated solvents. Trace levels of 2-phenoxyethanol, a solvent often used in ink formulations, were also detected. Environmental contaminants, those compounds found in circulating currency but not in currency ink, include 2,2'-diethyl-1,1'-biphenyl, methyl benzoate and salicylate, menthol, limonene, dimethyl and diethyl phthalate, and ionol. Not including simple hydrocarbons, over 100 compounds were identified in the headspace of currency-related samples.
Details
- ISSN :
- 00221198
- Volume :
- 48
- Issue :
- 4
- Database :
- OpenAIRE
- Journal :
- Journal of forensic sciences
- Accession number :
- edsair.pmid..........42f5d4a68e55bc7057ebea48e73ddeba