This application note presents a simplified Blend‑and‑Inject LC‑MS/MS method for the quantification of 25 PFAS compounds in animal‑derived food matrices using the QSight® 500 LC‑MS/MS system. By eliminating SPE and leveraging matrix‑matched calibration, isotopically labeled standards, and a PFAS delay column, the method achieves EU‑compliant sensitivity and robust performance in complex tissues, enabling high‑throughput and reliable PFAS monitoring for food safety compliance.
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Gas chromatography–mass spectrometry (GC–MS) reveals a four-stage polycyclic aromatic hydrocarbons (PAH) breakdown in oil sludge co-composted with manure.
In this third part of " Conversations with Michael Dong," a series on fundamentals of HPLC in pharmaceutical analysis, LCGC International’s "Perspectives in HPLC" column editor discusses the retention mechanism of hydrophobic interaction.
LCGC International spoke to David Hage, Sanduni Heenkenda, and Zoe Zingler of the University of Nebraska-Lincoln about how green chemistry principles are reshaping affinity chromatography.