Comprehensive two-dimensional gas chromatography

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Large contribution of non-priority PAHs in atmospheric fine particles: Insights from time-resolved measurement and nontarget analysis

Environment International, 2022
Polycyclic aromatic hydrocarbons (PAHs), detrimental to human health, are key components contributing to the carcinogenicity of fine particles. The 16 priority PAHs listed by the United States Environment Protection Agency have been studied extensively ...
Zhaojin An +4 more
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Caracterização de amostras petroquímicas e derivados utilizando cromatografia gasosa bidimensional abrangente (GCxGC) Characterization of petrochemical samples and their derivatives by comprehensive two-dimensional gas chromatography

Química Nova, 2006
The goal of this article is to discuss the application of comprehensive two-dimensional gas chromatography (GCxGC) to petrochemical samples. The use of GCxGC for petroleum and petroleum derivatives characterization, through group type analysis, or BTEX ...
Carin von Mühlen +3 more
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Portable comprehensive two-dimensional micro-gas chromatography using an integrated flow-restricted pneumatic modulator

Microsystems & Nanoengineering, 2022
Two-dimensional (2D) gas chromatography (GC) provides enhanced vapor separation capabilities in contrast to conventional one-dimensional GC and is useful for the analysis of highly complex chemical samples.
Xiaheng Huang +6 more
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Searching for Potential Markers of Glomerulopathy in Urine by HS-SPME-GC×GC TOFMS

Molecules, 2021
Volatile organic compounds (VOCs) exiting in urine are potential biomarkers of chronic kidney diseases. Headspace solid phase microextraction (HS-SPME) was applied for extraction VOCs over the urine samples.
Tomasz Ligor +6 more
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Comparative visualization for comprehensive two-dimensional gas chromatography [PDF]

Journal of Chromatography A, 2006
This paper investigates methods for comparing datasets produced by comprehensive two-dimensional gas chromatography (GC x GC). Chemical comparisons are useful for process monitoring, sample classification or identification, correlative determinations, and other important tasks. GC x GC is a powerful new technology for chemical analysis, but methods for
Benjamin V, Hollingsworth +3 more
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Determination of 24 Organochlorine Pesticides and Pyrethroids in Complex Matrix Soils by Comprehensive Two-dimensional Gas Chromatography with Micro-electron Capture Detector

Yankuang ceshi, 2020
BACKGROUND Currently the analysis methods of organochlorine pesticides and pyrethroids in environment samples are gas chromatography and gas chromatography-mass spectrometry (GC-MS).
SHI Lei +6 more
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A review of the application of comprehensive two-dimensional gas chromatography MS-based techniques for the analysis of persistent organic pollutants and ultra-trace level of organic pollutants in environmental samples

Reviews in Analytical Chemistry, 2022
Analysis of complex samples in environmental matrices poses extreme challenge for analytical chemists as the number of known and unknown compounds are numerous and have varying physical and chemical properties.
Vaye Oliver, Ngumbu Rafael Sarji, Xia Dan +2 more
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Second dimension temperature programming system for comprehensive two-dimensional gas chromatography with true temperature control

Journal of Chromatography Open, 2022
A proof-of-concept second dimension (²D) temperature programming system for comprehensive two-dimensional gas chromatography (GC × GC) with true temperature control is introduced and its performance characterized.
Hei Yin J. Chow, Tadeusz Górecki
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A Data-Challenge Case Study of Analyte Detection and Identification with Comprehensive Two-Dimensional Gas Chromatography with Mass Spectrometry (GC×GC-MS)

Separations, 2019
This case study describes data analysis of a chromatogram distributed for the 2019 GC×GC Data Challenge for the Tenth Multidimensional Chromatography Workshop (Liege, Belgium).
Stephen E. Reichenbach +3 more
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Comparison of gas and kerosene oils chemical composition before and after hydrotreating using comprehensive two-dimensional gas chromatography

Journal of Chromatography Open, 2022
Information on the detailed composition of the feedstock and product from the hydrotreating is essential for a better understanding of the reactions, possible optimization of the process conditions, development of new catalysts, and achieving a better ...
Lucie Šindelářová, Estella Ngoc Luu, Petr Vozka +2 more
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mass spectrometry
gc×gc
chemometrics