PFAS are among the most persistent environmental contaminants. Explore LC-MS/MS, GC-MS, TOF, and HRMS approaches for PFAS detection, identification, and quantification.

Learn the most common causes of SPE cartridge flow problems and how to troubleshoot them. Identify issues related to samples, solvents, manifold pressure, and precipitation.

Low SPE recovery does not have to mean method failure. Learn how fraction collection and analysis can identify analyte losses and guide effective troubleshooting steps.

Proper drying of the SPE sorbent is a critical step to achieve high sensitivity, good reproducibility, and maximum analyte recovery, especially for complex sample matrices.

How can you extend GC column lifetime and prevent contamination? Part 2 focuses on using liners with glass wool and proper column bake-out to maintain separation performance.

Dirty samples can quickly damage your GC column and shorten its lifetime. Learn simple, proven ways to protect your column, improve performance, and reduce downtime. Part 1 focuses on smart sample preparation.

An SPE technical tip focused on identifying the sources of interferences and extra peaks observed after sample extraction.

Although 100% recovery is expected in SPE, values above 100% are sometimes observed. This article explains the most common causes and provides practical guidance on how to identify and resolve them.

A technical guide to troubleshooting low analyte recovery in SPE. Explains relative vs. absolute recovery and provides practical solutions for conditioning, loading, and sorbent selection.

Practical troubleshooting guide for low recovery in SPE methods. Learn how to identify problems with solvents, flow rate, pH, or sorbent choice step by step.