Evaluation of a High-Sensitivity GC-MS/MS in the Analysis of Pesticide Residues in Complex Samples: Cost Savings and Other Benefits
Presenter: Katerina Mastovska (Covance Food Solutions)
Outline: This webinar will discuss the use of a high-sensitivity GC triple quadrupole MS/MS system in pesticide multiresidue analysis, employing a method with a decreased GC injection volume. Comparison study experiments using difficult botanical matrices were designed to evaluate short- and long-term impact of the decreased sample introduction on the method performance and frequency of routine system maintenance, including estimation of the associated cost savings.
Routine Quantitative Pesticide Analysis in Various Food Matrices using a GC/Q-TOF
Presenter: Dr Klaus Wilmers (Senior Pesticide Control Lab Manager, CVUA-MEL)
Outline: This is a webinar highlighting the unambiguous identification and accurate quantification results of pesticides residue in fruits and vegetables. The presentation will emphasize method development followed by the screening of targeted pesticides according to EU SANTE guidelines using a modern high resolution GC/Q-TOF system.
Improved LC-MS/MS Pesticide Multiresidue Analysis using Triggered MRM and On-Line Dilution
Presenter: Katerina Mastovska (Covance Food Solutions)
Outline: This webinar discusses development, optimization and performance of a large LC-MS/MS pesticide multiresidue method for separation of about 450 analytes within 10 minutes. The method uses so called Triggered MRM function, which enables acquisition of additional MS/MS transitions for increased confidence in analyte identification. Acetonitrile extracts (prepared using a QuEChERS-based extraction) are injected directly without a need for a dilution with an aqueous buffer/solution prior to the injection because the LC system employs on-line dilution ensuring excellent peak shape of early eluting (more polar) analytes. The method was validated for routine use in multiple food matrices.
