Highly Polar Pesticide Multi-Residue Analysis in Food Safety by LC-MS/MS

The analysis of highly polar pesticides by a single LC-MS/MS method is extremely challenging as a consequence of diverse separation and detection behaviour. Conventional approaches in highly polar pesticide analysis often use single residue methods or small group specific methods which are time consuming and limit throughput. In this study, the panel of target analytes selected for analysis included a series of compounds that are typically addressed by multiple methods and workflows; glufosinate, glyphosate, ethephon, fosethyl aluminium, maleic hydrazide, perchlorate, ETU, PTU, nicotine, amitrole, chlormequat, daminozide, diquat, kasugamycine, mepiquat, paraquat and trimesium.
To accelerate turnaround times and increase sample sizes for more complete testing programs two LC-MS/MS methods were developed for the measurement of a range of highly polar pesticides in their underivatised state using the LCMS-8050 triple quadrupole mass spectrometer. All target compounds were quantified at 0.01 mg/kg which is below the European Union maximum residue limit for all studied compounds delivering a measurable impact on sample cycle time and productivity.

Content Type:
Application
Document Number:
LAAN-A-LM-E089
Product Type:
Liquid Chromatograph-Mass Spectrometry, Mass Spectrometry
Keywords:
Highly polar pesticides, glyphosate, diquat, paraquat, perchlorate, Food and Beverages, Food safety (Residues, Contaminants), LCMS-8050
Language:
English
File Name:
ego115089.pdf
File Size:
286kb

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