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|標題:||Identification of gasoline soot in suspect arson cases by using headspace solid phase microextraction-GC/MS||作者:||Wu, C.H.
|關鍵字:||forensic science;headspace solid phase microextraction;gasoline;soot;arson;polycyclic aromatic hydrocarbons;polycyclic aromatic-hydrocarbons;accelerants;debris;recovery;samples||Project:||Analytical Letters||期刊/報告no：:||Analytical Letters, Volume 37, Issue 7, Page(s) 1373-1384.||摘要:||
A method for the identification of gasoline soot in suspect arson cases by using headspace solid phase microextraction (SPME) GC/MS is discussed. A 100 mum polydimethylsiloxane (PDMS) coated fiber and a 75 mum carboxen/polydimethylsiloxane (CAR/PDMS) coated fiber were used in this study. HS-SPME was carried out for extracting gasoline soot samples and subsequently was analyzed by using GC/MS. It is found that the presence of the components in gasoline soot was 19 polycyclic aromatic hydrocarbons (PAHs). These PAH compounds have been proven to be useful for the identification of gasoline soot obtained from a suspect fire. The proposed method was tested by analyzing the residues from a real suspect arson fire. The results demonstrate the suitability of PAHs compounds for the identification of gasoline soot in a suspected arson case.
|Appears in Collections:||化學系所|
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