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Juliana Crucello | Authors
Articles
Profiling Free Naphthenic Acids in Produced Water Using Gas Chromatography Coupled to High Resolution Accurate Mass Spectrometry
In this instalment of “Column Watch”, a simple method for profiling free naphthenic acids in produced water by GC–MS is proposed.
Profiling Free Naphthenic Acids in Produced Water Using Gas Chromatography Coupled to High-Resolution Accurate Mass–Mass Spectrometry (GC–HRAM-MS)
This study illustrates the importance of column selection during GC method development.
Solid-Phase Microextraction Combined with Flow-Modulated Comprehensive Two-Dimensional GC for Screening Leachables in the Pharmaceutical Industry
A simple method for the analysis of leachables using solid-phase microextraction (SPME) and comprehensive two-dimensional gas chromatography, coupled to mass spectrometry (GCxGC–MS). This fully automated method bypasses the use of solvents and excessive sample handling. Four potential leachables were tentatively identified.
Solid-Phase Microextraction Combined with Flow-Modulated Comprehensive Two-Dimensional Gas Chromatography for Screening Leachables in the Pharmaceutical Industry
Nanomaterials are extremely useful as sorbents for sample preparation, because of their varied morphologies, high surface area, surface-tovolume ratio, porosity, and ability to interact with samples in a variety of ways. Here, we review how nanomaterials are being used in a variety of sample preparation techniques, such as dispersive solid-phase extraction (dSPE), solid-phase microextraction, stir-bar sorptive extraction, and matrix solid-phase dispersion.