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Special Issues-11-01-2020

Nanomaterials Have Come to Stay: An Overview of their Use as Sorbents in Sample Preparation

November 01, 2020

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This article reviews how nanomaterials are being used in a variety of sample preparation techniques, such as dispersive solid-phase extraction (dSPE), solid-phase microextraction (SPME), stir-bar sorptive extraction (SBSE), and matrix solid-phase dispersion (MSPD).

Dispersive Miniaturized Solid‑Phase Extraction Using the CIM‑81 Metal‑Organic Framework and Gas Chromatography–Mass Spectrometry to Determine Personal Care Products in Waters

November 01, 2020

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The analysis of contaminants found in environmental waters and originating from personal care products using metalorganic frameworks (MOFs) combined with liquid chromatography (LC) is described. This work expands the use of MOFs from gas chromatography to LC and also meets the requirements of green analytical chemistry.

Solid-Phase Microextraction Combined with Flow-Modulated Comprehensive Two-Dimensional GC for Screening Leachables in the Pharmaceutical Industry

November 01, 2020

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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.