Solid-phase extraction (SPE) is the gold standard for sample preparation in chromatographic analysis. It is used to capture, clean, and concentrate samples while removing interfering compounds, ...
Solid-phase extraction (SPE) encompasses a suite of methods for isolating and concentrating analytes from complex matrices by partitioning target compounds onto a solid sorbent followed by solvent ...
EPA Method 1664, Revision A, n-Hexane Extractable Material (HEM; Oil and Grease) and Silica Gel-Treated n-Hexane Extractable Material (SGTHEM; Non-polar Material) by Extraction and Gravimetry. Dionex ...
Solid phase extraction (SPE) has emerged as a versatile and indispensable tool for isolating and concentrating trace elements from complex environmental matrices such as surface water, groundwater, ...