The use of ion-molecule reactions with NH3 for selected reaction monitoring (SRM) in gas chromatographic/tandem mass spectrometric analysis is demonstrated for 2-methoxyethanol and chlorobenzene in methanol and urine. In the former, the reaction [CH3OC2H4]+ + NH3----[H2NC2H4]+ + CH3OH was followed;
ChemInform Abstract: Reactions of Mass-Selected Cluster Ions in a Thermal Bath Gas
β Scribed by A. A. VIGGIANO; S. T. ARNOLD; R. A. MORRIS
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 25 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0931-7597
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Hydrogen/deuterium exchange reactions of protonated and sodium cationized peptide molecules have been studied in the gas phase with a MALDI / quadrupole ion trap mass spectrometer. Unit-mass selected precursor ions were allowed to react with deuterated ammonia introduced into the trap cell by a puls
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