Revolutionizing Quat Pesticide Determination and Quantitation Workflows to Protect Food Supply

The Thermo Scientific Dionex IonPac CS21 ion exchange column enables reliable, accurate and compliant food safety analysis

Thermo Fisher Scientific Inc., the world leader in serving science, is providing laboratories performing food safety analysis with a new ion chromatography tandem mass spectrometry (IC-MS/MS) workflow solution for regulatory compliant, cost-effective and reliable analysis of quaternary ammonium pesticides (Quats).

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Thermo Scientific Dionex IonPac CS21-Fast-4µm ion exchange column (Photo: Business Wire)

The new Thermo Scientific Dionex IonPac CS21-Fast-4µm ion exchange column enables scientists to easily and accurately determine and quantify the four cationic pesticides: diquat, paraquat, mepiquat and chlormequat. These highly polar, permanently charged chemicals are notoriously challenging to analyze, and have, until now, required complex workflows that are prone to quantitation errors. To meet regulatory requirements across Europe, Asia and the Americas, and promote consumer safety, it is paramount for food safety laboratories to reliably determine the residue levels of these pesticides in or on food products.

“The Dionex IonPac CS21 is the gold-standard column for use in your Quat determination and quantitation workflow,” said Alexander Semyonov, global product manager, ion chromatography mass spectrometry, Thermo Fisher Scientific. “Ion chromatography has an advantage over other technologies in that it causes fewer matrix effects, and delivers superior retention and separation of ionic species.”

When coupled with the TSQ Altis Plus triple quadrupole mass spectrometer, food safety testing laboratories will benefit from reliable and robust Quat analysis that confidently meets regulatory requirements, while improving laboratory productivity. IonPac CS21 and Thermo Scientific TSQ Altis Plus triple quadrupole mass spectrometer complement the existing Anionic Pesticide Explorer (APX) solution from Thermo Fisher Scientific, providing total coverage for all polar, highly polar, ionic and ionizable food contaminants in one IC-MS/MS system. Together, the system and new column can determine and quantify not only Quats, but also glyphosate and its metabolites, and related compounds.

To learn more about our cation exchange columns (including the new CS21 ion exchange column) for ion chromatography, please visit www.thermofisher.com/CationExchangeIC.

To learn more about the total IC–MS/MS solution for highly polar cationic pesticides, please visit www.thermofisher.com/pesticides.

To learn more about the Anionic Pesticides Explorer (APX), please visit here.

About Thermo Fisher Scientific

Thermo Fisher Scientific Inc. is the world leader in serving science, with annual revenue of approximately $40 billion. Our Mission is to enable our customers to make the world healthier, cleaner and safer. Whether our customers are accelerating life sciences research, solving complex analytical challenges, increasing productivity in their laboratories, improving patient health through diagnostics or the development and manufacture of life-changing therapies, we are here to support them. Our global team delivers an unrivaled combination of innovative technologies, purchasing convenience and pharmaceutical services through our industry-leading brands, including Thermo Scientific, Applied Biosystems, Invitrogen, Fisher Scientific, Unity Lab Services, Patheon and PPD. For more information, please visit www.thermofisher.com.

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