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Specialised Forms of Chromatography
Even though adsorption chromatography is certainly by far the most widely used chromatographic separation method—not least because it is so versatile...
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Aroma stability and sensory aspects of commercially produced orange juice: gas chromatography–olfactometry study
The effects of pasteurization and 4-month storage on the aroma profile of orange juices with pulp that were fully processed and packed in inert...
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Performance assessment of activated carbon thermally modified with iron in the desulfurization of biogas in a static batch system supported by headspace gas chromatography
A static batch arrangement composed of anti-leak vials coupled to gas chromatography is proposed as a complementary system for performance assessment...
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Application of Bubbling Extraction Coupled to Gas Chromatography Mass Spectrometry in Food Analysis
In recent years, occurrence of selective enrichment of organic matter and partial concentration of inorganic components by gaseous microbubbles in...
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Determination of Polycyclic Aromatic Hydrocarbons in Soils and Bottom Sediments by Gas Chromatography–Mass Spectrometry with QuEChERS Sample Preparation
AbstractThe work is dedicated to the determination of polyaromatic hydrocarbons (PAHs) in soils and bottom sediments by gas chromatography–mass...
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Integrated Gas Chromatography–Mass Spectrometry and Liquid Chromatography-Quadruple Time of Flight-Mass Spectrometry-Based Untargeted Metabolomics Reveal Possible Metabolites Related to Antioxidant Activity in Stingless Bee Honey
Stingless bee honey is a complex mixture of natural compounds. Therefore, the metabolite profile of stingless bee honey from different botanical...
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Analytical factors for eight short-chain fatty acid analyses in mouse feces through headspace solid-phase microextraction–triple quadrupole gas chromatography tandem mass spectrometry
This study developed a method for quantifying eight short-chain fatty acids (SCFAs) in mouse fecal samples using solid-phase microextraction (SPME)...
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Determination of Aminoalcohols as Silyl Derivatives with Three Derivatizing Agents by Gas Chromatography with Mass Spectrometry Detection
AbstractApproaches are developed to the separation and identification of eleven β-amino alcohols, markers of nitrogen-containing toxic chemicals...
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Identification of polystyrene nanoplastics from natural organic matter in complex environmental matrices by pyrolysis–gas chromatography–mass spectrometry
Due to the flux of plastic debris entering the environment, it becomes urgent to document and monitor their degradation pathways at different scales....
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Analysis of Lard in Palm Oil Using Long-Wave Near-Infrared (LW-NIR) Spectroscopy and Gas Chromatography-Mass Spectroscopy (GC–MS)
Adulteration of food products has become a common problem in many countries. Adulteration may take the form of substitution of one species for...
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Solvate Ionic Liquids: Assessing the Possibility of Determining the Composition by Means of Gas–Liquid Chromatography
AbstractA study is performed of the possibility of using gas–liquid chromatography (GLC) to determine the composition of solutions of lithium salts...
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Influence of modulator injection width on comprehensive two-dimensional gas chromatography peak dimensions
This study examines how the height and width of peaks exiting the secondary column of a comprehensive two-dimensional gas chromatography (GC × GC)...
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Simultaneous Determination of Aromatic, Short-Chain Fatty and Dicarboxylic Acids in Blood Serum and Cerebrospinal Fluid by Gas Chromatography–Mass Spectrometry
AbstractAromatic, short-chain fatty and dicarboxylic acids are low-molecular-weight microbial and mitochondrial metabolites; therefore, their...
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Introducing Organic Gas Steam-Liquid Extraction as a New Preconcentration Method for Benzene, Toluene, Ethylbenzene and Xylene Determination in Water Samples by Gas Chromatography-Flame Ionization Detection
AbstractIn this study, for the first time, the organic gas steam-liquid extraction by a special hand-made cell was used as a simple and inexpensive...
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Determination of the Partial Molar Volume of Ethylene in Perhalogenated Solvents and the Density of Solutions at Elevated Pressure by Gas-Liquid Chromatography
AbstractA technique is proposed for determining the partial molar volumes of gaseous substances in liquids and the density of the resulting solutions...
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Determination of mineral oil hydrocarbon contamination in Citrus essential oils by using on-line liquid-gas chromatography: critical aspects
The present manuscript reports and discusses critical issues related to the determination of mineral oil hydrocarbon contamination in Citrus ...
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Solvent-free automated thermal desorption-gas chromatography/mass spectrometry for direct screening of hazardous compounds in consumer textiles
The global production of textiles utilizes numerous large-volume chemicals that may remain to some extent in the finished garments. Arylamines,...
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Lyophilization with Subsequent Derivatization vs Microextraction by Packed Sorbent (MEPS) in the Analysis of Exhaled Breath Condensate by Gas Chromatography–Mass Spectrometry
AbstractWe compared two approaches to the sample preparation of exhaled breath condensate (EBC) samples from healthy volunteers for the detection of...
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Determination of Phenolic Compounds in Hypericum perforatum L. Aqueous Extracts by Gas Chromatography–Mass Spectrometry Using Solid-Phase Analytical Derivatization
AbstractWe studied the gas chromatographic determination and identification of phenolic compounds in aqueous extracts of St. John’s wort ( Hypericum...
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Investigation of Fragments of Lacquer Pieces from Archaeological Sites of the Orgoyton Burial Ground (Transbaikalia) Using Pyrolytic Gas Chromatography–Mass Spectrometry
AbstractA combination of pyrolysis and gas chromatography–mass spectrometry significantly expands the possibilities of the latter, including for the...
