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FAST GC AND GC-MS ANALYSIS OF EXPLOSIVES

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Author(s): Michal Kirchner | Eva Matisová | Svetlana Hrouzková | Renáta Húšková

Journal: Petroleum and Coal
ISSN 1337-7027

Volume: 49;
Issue: 2;
Start page: 72;
Date: 2007;
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Keywords: explosives | fast gas chromatography | fast GC-MS | analyte protectants | matrix effects

ABSTRACT
In this paper fast GC-ECD and GC-MS utilizing short narrow-bore capillary columns was evaluated for separation and detection of selected explosives. For injection splitless and on-column inlets were tested. In the case of MS detection different energies of electrons were tested in order to improve detectability of analyzed compounds. To eliminate strong adsorption of difficult explosives analyte protectants, formerly developed for GC analysis of pesticide residues, were tested. Significant improvements of peak shapes, linearity of responses and LODs were reached.
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