BTEX in Water Analyzed by Microdrop Extraction and GC-MS
Analysts from the Department of Analytical Chemistry at the University of Cordoba (Cordoba, Spain) used ionic liquid-based, single-drop microextraction followed by gas chromatography with mass spectrometric detection to analyze benzene, toluene, ethylbenzene, and xylene isomers (BTEX) in water.
Analysts from the Department of Analytical Chemistry at the University of Cordoba (Cordoba, Spain) used ionic liquid-based, single-drop microextraction followed by gas chromatography with mass spectrometric detection to analyze benzene, toluene, ethylbenzene, and xylene isomers (BTEX) in water. The ionic extraction liquid, 1-methyl-3-octyl-imidazolium hexafluorophosphate, has a high affinity for the aromatic analytes but is immiscible with water. Repeatability (RSD) for the method reportedly ranged from 3.0% for o-xylene to 5.2% for toluene.
Dispersive Liquid-Liquid Microextraction: A Review and Roundup of Green Sample Prep Advancements
May 15th 2024The still relatively new technique has distinct advantages, but a few of those benefits make it incompatible with some of the currently accepted principles of green sample preparation.
Reflecting on the Influence of the Current State of Sample Preparation on GC, Part 2: Techniques
May 9th 2024In this installment, we examine trends in the use of sample preparation techniques through the lens of instrumental analysis by gas chromatography (GC) and GC–mass spectrometry (GC–MS).
