Results 21 to 30 of about 75,559 (340)

Portable comprehensive two-dimensional micro-gas chromatography using an integrated flow-restricted pneumatic modulator

open access: yesMicrosystems & 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
doaj   +1 more source

Interpreting comprehensive two-dimensional gas chromatography using peak topography maps with application to petroleum forensics. [PDF]

open access: yesChem Cent J, 2016
© The Author(s), 2016. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Chemistry Central Journal 10 (2016): 75, doi:10.1186/s13065-016-0211-y.Comprehensive two-dimensional ...
Ghasemi Damavandi H   +3 more
europepmc   +3 more sources

Recent trends and developments in pyrolysis-gas chromatography: review [PDF]

open access: yes, 2008
Pyrolysis-gas chromatography (Py-GC) has become well established as a simple, quick and reliable analytical technique for a range of applications including the analysis of polymeric materials.
Arias   +179 more
core   +1 more source

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

open access: yesQuímica 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
doaj   +1 more source

Searching for Potential Markers of Glomerulopathy in Urine by HS-SPME-GC×GC TOFMS

open access: yesMolecules, 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
doaj   +1 more source

Comparative visualization for comprehensive two-dimensional gas chromatography [PDF]

open access: yesJournal 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
openaire   +2 more sources

Determination of 24 Organochlorine Pesticides and Pyrethroids in Complex Matrix Soils by Comprehensive Two-dimensional Gas Chromatography with Micro-electron Capture Detector

open access: yesYankuang 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
doaj   +1 more source

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

open access: yesReviews 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   +2 more
doaj   +1 more source

Estimation of comprehensive two-dimensional gas chromatographic response from one-dimensional gas chromatography data [PDF]

open access: yes, 2015
Trabajo presentado a la XV Reunión Científica de la Sociedad Española de Cromatografía y Técnicas Afines (SECyTA) celebrada en Castellón de la Plana del 28 al 30 de octubre de 2015Optimization of a separation in comprehensive two-dimensional gas ...
Brokl, M.   +4 more
core   +1 more source

Second dimension temperature programming system for comprehensive two-dimensional gas chromatography with true temperature control

open access: yesJournal 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
doaj   +1 more source

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