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The potential of combining ion trap/MS/MS and TOF/MS for identification of emerging contaminants

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Abstract

The use of a method combining ion trap tandem mass spectrometry (MS/MS) and time of flight mass spectrometry (TOF/MS) for identification of emerging contaminates was discussed. The two tools together complemented each other in sensitivity, fragmentation and accurate mass determination. Liquid chromatography/electrospray ionization/ion-trap tandem mass spectrometry (LC/ESI/MS/MS), in positive ion mode of operation, was used to separate and identify specific compounds. Diagnostic fragment ions were obtained for a polyethyleneglycol(PEG) homolog by ion trap MS/MS, and fragments were measured by TOF/MS. It was observed that the combined method gave an exact mass measurement that differed from the calculated mass.

Additional Publication Details

Publication type:
Conference Paper
Publication Subtype:
Conference Paper
Title:
The potential of combining ion trap/MS/MS and TOF/MS for identification of emerging contaminants
Year Published:
2002
Language:
English
Larger Work Title:
Proceedings 50th ASMS Conference on Mass Spectrmetry and Allied Topics
First page:
653
Last page:
654
Number of Pages:
2
Conference Title:
Porceedings - 50th ASMS Conference on Mass Spectrometry and Allied Topics
Conference Location:
Orlando, FL
Conference Date:
2 June 2002 through 6 June 2002