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Chromatography Techniques
The term “Chromatography” is derived from Greek, Kromatos (Chroma) meaning “colour” and ghraphos (graphein) meaning “to write”. The technique of...
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An extended Monte Carlo simulation code for modeling gas chromatography experiments with superheavy elements and their homologs
Monte Carlo simulations are commonly used to model the behavior of chemical species of the heaviest elements and their homologs in gas chromatography...
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Identification of Impurities in Diborane by Gas Chromatography–Mass Spectrometry
Abstract —The impurity composition of diborane synthesized by the hydrogenation reaction of boron chloride was studied for the first time with the...
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A Metal Organic Framework + Ionic Liquid Pseudophase System as a Gas Chromatography Stationary Phase
Ionic liquids (ILs) containing colloidal metal organic frameworks (MOFs) have been used as gas chromatography stationary phases to provide distinct...
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In-situ solvothermal growth of MOF nanocrystals on the fused silica capillary aiming to prepare new gas chromatography column
Metal–organic frameworks (MOFs) have garnered significant attention across various fields, particularly in the field of the separation sciences,...
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Application of post-column reaction gas chromatography with a single reference gas for offshore air and gas seeped from the seafloor samples
Ambient air commonly contains carbon dioxide at concentrations greater than 400 µmol mol −1 and methane at ~ 2000 nmol mol −1 ; non-methane hydrocarbons...
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A case study for in-house method validation of gas chromatography technique using class-1 calibration gas mixtures for greenhouse gases monitoring
In this study, analytical method validation has been done for the measurement of carbon dioxide/nitrogen (CO 2 /N 2 ) and methane/nitrogen (CH 4 /N 2 )...
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Composition of Impurities of Germanium Tetrafluoride: A Gas Chromatography–Mass Spectrometry Study
AbstractThe compositions of impurities of GeF 4 with natural isotopes and GeF 4 enriched isotopically were studied for the first time with a...
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Column Chromatography
In column chromatography, the stationary phase is a solid and the mobile phase is a liquid. The stationary phase (known as adsorbent) is packed in a...
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High Performance Liquid Chromatography (HPLC)
We have known (Chapter 6 ) that gas chromatography can be used only for compounds which can be easily...
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Mass Spectrometry with High-Performance Liquid Chromatography
Mass spectrometry (MS) is an analytical technique that provides information about the molecular weight and chemical characteristics of a compound....
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The role of comprehensive two-dimensional gas chromatography in mineral oil determination
Mineral oil hydrocarbons (MOH) contain a wide structural diversity of molecules, for which the reference method of analysis is the online coupled...
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Gas Chromatography-Flame Ionization Technique for the Determination of Mitragynine, Caffeine, Diphenhydramine, Promethazine, and Tramadol in Kratom Drinks
AbstractThe determination of mitragynine and psychoactive substances in kratom drinks is essential for forensic investigation and medical treatment....
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Gas Chromatography–Mass Spectrometric Characterization of Monoalkyl Alkanedioates
AbstractUsing three different synthetic methods, 48 monoalkyl esters of 6 aliphatic dicarboxylic acids and 8 aliphatic alcohols were synthesized....
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High-Temperature Two-Dimensional Gas Chromatography with Flow Modulator for Analyzing Complex Objects of Catalytic Processing
This paper is dedicated to the development of the method of high-temperature two-dimensional gas chromatography (HT-GC × GC) using a flow modulator...
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A Method to Externally Adjust the Column Length in Gas Chromatography Using a Water Stationary Phase
A novel method for externally adjusting the column length during gas chromatography (GC) operation is introduced. The technique employs the...
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Characterization of aroma-active compounds in Dongli by quantitative descriptive analysis, gas chromatography-triple quadrupole tandem mass spectrometry, and gas chromatography-olfactometry
Dongli , or frozen pear, is a traditional Chinese snack with a unique flavor. This study identified the aroma-active volatile compounds (VOCs) in Dongli ...
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Nitrogen stable isotope analysis of sulfonamides by derivatization-gas chromatography-isotope ratio mass spectrometry
The continuous introduction of micropollutants into the environment through livestock farming, agricultural practices, and wastewater treatment is a...
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Study on Gas Chromatography Retention Time Variation of Acetic Acid Combined with Quantum Chemical Calculation
Chromatography is a separation method that utilizes differences in intermolecular interactions of the sample components with the mobile and...
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Mildew Detection for Stored Wheat using Gas Chromatography–Ion Mobility Spectrometry and Broad Learning Network
Most of the existing methods for wheat mildew detection are biochemical methods, which have the problems of complicated procedures and slow speed. In...
