Parallel comprehensive two-dimensional gas chromatography
Application of comprehensive two dimensional gas chromatography to wine analysis
... one dimensional GC, but is even more prevalent in GC×GC (especially in the second dimension) because of refocusing of the bands in the cryogenic ...using two different sets of HS SPME ...
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Pneumatic modulation comprehensive two dimensional gas chromatography for environmental analysis
... carrier gas flow rate and incorporating an additional restrictor it is possible to increase the modulation period ...carrier gas flow rate and the additional restrictor dimensions are shown in bold typeface ...
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Optimisation and application of pneumatic modulation techniques for comprehensive two dimensional gas chromatography
... carrier gas flow rates and pressure requirements for pulse flow modulated GC×GC ...at two different modulation periods exhibiting the flexibility available with restrictors in ...
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Interpretation of comprehensive two-dimensional gas chromatography data using advanced chemometrics
... in two matrices, say X and ...methods. Two datasets are involved in this method, but no tri-linear model is required for X and Y, and unique results especially can be obtained with no iterative ...
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Characterisation of urban and remote atmospheres using comprehensive two dimensional gas chromatography
... were two main categories of OVOC species identified, those with a direct anthropogenic emission source and those formed in the atmosphere through photochemical ...
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Classification of Two-Dimensional Gas Chromatography Data
... Introduction Gas chromatography (GC) is a popular tool for chemical ...as comprehensive two-dimensional gas chromatography (GCxGC), is ...combines two columns, ...
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Application of comprehensive two-dimensional gas chromatography for the characterisation of the volatile composition of Honeybush tea
... to two dimensional peak picking, only baseline correction was ...all two dimensional slices of a peak were summed to obtain the total peak ...the two sets of honeybush tea samples are ...
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Comprehensive composition of creosote using comprehensive two-dimensional gas chromatography time-of-flight mass spectrometry (GCxGC-TOFMS)
... (2017) Comprehensive composition of creosote using comprehensive two-dimensional gas chromatography time-of-flight mass spectrometry ...
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Interpreting comprehensive two-dimensional gas chromatography using peak topography maps with application to petroleum forensics
... 7890A gas chromatograph config- ured with a 7683 series split/splitless auto-injector, two capillary columns, and a flame ionization ...jet gas was dry nitrogen, chilled with liquid ...carrier ...
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Comparative analysis of peak-detection techniques for comprehensive two-dimensional chromatography
... Comprehensive two-dimensional gas chromatography (GC×GC) is a powerful technology for separating complex ...intensities. Two techniques commonly used for ...
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Evaluation of conditions of comprehensive two-dimensional gas chromatography that yield a near-theoretical maximum in peak capacity gain
... 夽 Presented at 38th International Symposium on Capillary Chromatography and 11th GC × GC Symposium, 18–23 May 2014, Riva del Garda, Italy. ∗ Corresponding author. Tel.: +1 3027571148. E-mail addresses: ...
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Analysis of cave atmospheres by comprehensive two-dimensional gas chromatography (GC×GC) with flame ionization detection (FID)
... [29] . In its deflated sampling configuration, the Tedlar bag is square in shape and very small when compared to a Suma canister. Con- structed from heavy-duty plastic, the bag is inflated by a tracheal syringe to an ...
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Comprehensive two-dimensional gas chromatography–mass spectrometry combined with multivariate data analysis for pattern recognition in Ecuadorian spirits
... Conclusions Comprehensive two-dimensional gas chromatography along with MPCA allowed the discrimination between three Ecuadorians artisan spirits, characterizing the vola- tile profiles ...
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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)
... 3 Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino, 10125 Turin, Italy * Correspondence: [email protected] Received: 17 May 2019; Accepted: 23 July 2019; Published: 2 August 2019 ...
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Analyte quantification with comprehensive two-dimensional gas chromatography: Assessment of methods for baseline correction, peak delineation, and matrix effect elimination for real samples
... the two-dimensional region of the GC × GC chro- matogram signal that should be aggregated together for an individual peak volume [3,4,16] ...These two methods do not require any prior information ...
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Development of a combined heart-cut and comprehensive two-dimensional gas chromatography system to extend the carbon range of volatile organic compounds analysis in a single instrument
... 4. Conclusions The GC × GC instrument detailed in Dunmore et al. (2015) [3] performed well for the majority of compounds, however it was unable to accurately quantify isoprene due to the incomplete separation and ...
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Differentiation of wines according to grape variety using multivariate analysis of comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometric detection data
... with 5-ethyldihydro-2(3H)-furanone and 2-ethylhexanal. Fig. 4 A shows the superimposed chromatographic peaks. Spectral decon- volution based on mass spectra differences is quite useful in this case, especially to ...
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Determination of Giazepam Aminobenzophenones by two –dimensional gas chromatography mass spectrometry (GC GC MS) in urine
... on two different polarity columns, allows apply two retention time windows for a higher degree of ...carrier gas in first column can be reversed to backflush unwanted heavy sample components out the ...
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Gas Chromatography
... free comprehensive two-dimensional GC system (GC × GC) consisting of a pair of microfabricated columns and a microfabricated detector ( 34 ...microfabricated gas analyzer, the film is heated ...
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Multivariate analysis of mainstream tobacco smoke particulate phase by headspace solid-phase micro extraction coupled with comprehensive two-dimensional gas chromatography–time-of-flight mass spectrometry
... on gas chromato- graphic (GC) scans, various investigators have estimated that for 夽 Presented at 38th International Symposium on Capillary Chromatography and 11th GC × GC Symposium, 18–23 May 2014, Riva ...
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