Comparison of solid-phase extraction sorbents for sample clean-up in the analysis of organic explosives

被引：38

作者：

Tachon, Romain ^{[2
]}

Pichon, Valerie ^{[1
]}

Le Borgne, Martine Barbe ^{[2
]}

Minet, Jean-Jacques ^{[2
]}

机构：

[1] Ecole Super Phys & Chim Ind Ville Paris, CNRS, UMR 7121, Lab Environm & Chim Analyt, F-75231 Paris 05, France

[2] Lab Cent Prefecture Police, F-75015 Paris, France

来源：

JOURNAL OF CHROMATOGRAPHY A | 2008年 / 1185卷 / 01期

关键词：

explosives; nitrate esters; nitramines; nitroaromatics; SPE; LC/UV; LC/MS;

D O I：

10.1016/j.chroma.2008.01.026

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A solid-phase extraction procedure was developed for the clean-up of forensic samples collected at bombing scenes. Recoveries of common organic explosives from methanolic extracts diluted with water were studied on different hydrophobic sorbents. Polymeric sorbents retained explosive compounds better than octadecyl-bonded silica-bascd materials. Clean-up efficiency was evaluated with simulated samples prepared from commercial motor oil. Polymeric sorbent with the smallest specific surface area was found to limit the coextraction of matrix components. Performance of the method was confirmed by a reduction of ion suppression in LC/MS analysis. (C) 2008 Published by Elsevier B.V.

引用

页码：1 / 8

页数：8

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