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Analytical Letters Volume 41, 2008 - Issue 14
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BIOANALYTICAL

Analysis of Cyanide in Blood by Headspace-Isotope-Dilution-GC-MS

Lise-Lotte L⊘bger Department of Chemistry, Technical University of Denmark, Lyngby, Denmark
,
Henning Willads Petersen Sector of Forensic Chemistry, Department of Forensic Medicine, Faculty of Health Science, University of Copenhagen, Frederik V's vej, Copenhagen Ø, DenmarkCorrespondence[email protected]
&
Jens E. T. Andersen Department of Chemistry, Technical University of Denmark, Lyngby, Denmark
Pages 2564-2586 | Received 04 Jun 2008, Accepted 10 Jul 2008, Published online: 06 Nov 2008
 
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Abstract

An uncomplicated, rapid, automated procedure for the analysis of low cyanide concentrations in whole blood is reported. The analysis was performed by headspace gas chromatography and mass spectrometry in the (1H12C14N) and m/z 29 (1H13C15N). Carryover from cyanide adsorption onto the surface of the needle was prevented by developing a new method that enabled automated flushing of the needle in between each cyanide analysis. Results were compared of ordinary calibrations and those of isotope dilutions. The total time of analysis was 18 min for a single cyanide analysis.

Notes

∗RT=Retention Time.

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