Chromatography
Identification and Quantitation of Pesticides in Chamomile and Ginger Extracts Using an Agilent 6460 Triple Quadrupole LC/MS system with Triggered MRM
Sep 25 2012
Author: Thomas Glauner, Agilent Technologies, Inc, Waldbronn, BW Germany. Tiffany Payne, Agilent Technologies, Inc Santa Clara, CA USA. Guenther Kempe, Stefan Kittlaus, Daniela Goermer, State Laboratory for Health and Veterinary Affairs Saxonia, Pesticide Departm on behalf of Agilent Technologies
This application note describes the use of triggered MRM (tMRM) for the analysis of pesticide residues applied to chamomile and ginger extracts. The analysis is performed using the Agilent 1290 LC system coupled to a 6460 Triple Quadrupole LC/MS with tMRM acquisition. Two examples of false positive identifications were explored: tebuthiuron in chamomile and tebufenpyrad in ginger. Both compounds were quantitated and confirmed with library matching in a single analytical run. False positive identification was avoided by using library matching and tMRM acquisition.
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