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Flow Modulator INSIGHT®

Technology: GCxGC
SepSolve Analytical

Outstanding performance for routine GC×GC

Description
The INSIGHT flow modulator from SepSolve overcomes the cost and logistical issues of the liquid cryogen needed for thermally-modulated systems. In addition, it provides separation of volatiles from C1 to C40+, no modulation breakthrough for improved characterisation of both large and small peaks, built-in splitting for use with multiple detectors, and compatibility with heart-cutting 2D GC.
To work in conjunction with the INSIGHT flow modulator, SepSolve also offers the comprehensive ChromSpace®  software for GC×GC.
Reverse fill/flush dynamics technology was first developed by Dow Chemical in 2011: A reversed-flow differential flow modulator for comprehensive two-dimensional gas chromatography, Journal of Chromatography A, 2011, 1226: 116-123. DOI: 10.1016/j.chroma.2011.11.036
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INSIGHT flow modulator from SepSolve
6 MB
Application notes
Uncovering trace additives in gasoline

This study demonstrates the use of GC×GC coupled with BenchTOF2™ and Tandem Ionisation® to identify trace additives in gasoline, with time-saving workflows in ChromCompare+ software utilising all of the tandem data in a single workflow to automatically uncover differences between gasoline blends.

File size: 3 MB
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Investigating the quality of Darjeeling teas using comprehensive VOC fingerprints

This study demonstrates the use of immersive sorptive extraction and GC×GC–TOF MS to determine the characteristic flavour compounds in Darjeeling teas. Comparative analysis of different tea types and grades will be shown using streamlined workflows to improve quality assessment.

File size: 4 MB
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Evaluating the authenticity of brand perfumes

This study demonstrates how the comprehensive data acquired using GC×GC–TOF MS with Tandem Ionisation® can be processed in a single, automated workflow to uncover the subtle differences between brand and imitation fragrances.

File size: 4 MB
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Reliable speciation of fatty acid methyl esters (FAMEs) by flow-modulated GC×GC–TOF MS/FID with Tandem Ionisation

This study demonstrates the use of flow-modulated GC×GC to analyse a FAME standard and FAMEs from a butter extract, with simultaneous detection by TOF MS and FID for improved speciation.

File size: 674 KB
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Flavour profiling of milk using high‑capacity sorptive extraction and TD–GC×GC–TOF MS/FID

This study demonstrates the high performance of PDMS sorptive extraction probes, coupled with thermal desorption pre‑concentration and INSIGHT™ flow-modulated GC×GC–TOF MS/FID analysis, for the separation and identification of flavour compounds in milk.

File size: 982 KB
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Comprehensive analysis of coffee bean extracts by GC×GC–TOF MS

This study shows that GC×GC with time-of-flight mass spectrometry provides a high-performance solution for screening complex coffee-bean extracts for key aroma compounds.

File size: 1,014 KB
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Comparison of aroma compounds in whisky by SPME–GC×GC–TOF MS/FID

This study demonstrates the high performance of a flow-modulated GC×GC–TOF MS system, coupled with sample preparation by solid-phase micro-extraction (SPME), for the separation and identification of trace volatiles in three brands of whisky.

File size: 816 KB
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Comprehensive analysis of tobacco smoke using TD–GC×GC–TOF MS with Tandem Ionisation

In this study, we use thermal desorption (TD) for collection and analysis of whole cigarette emissions, and couple it with flow-modulated GC×GC–TOF MS, to enable smoke constituents to be routinely and confidently sampled, separated and identified.

File size: 582 KB
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Tackling the extended list of fragrance allergens by flow-modulated GC×GC–TOF MS/FID

This preliminary study investigates the use of flow-modulated GC×GC to analyse an 84-component allergen calibration standard, with simultaneous detection by TOF MS for confident identification and FID for robust quantitation.

File size: 2 MB
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Enhanced separation of hop oils by flow-modulated GC×GC–TOF MS

This study demonstrates the high performance of a flow-modulated GC×GC–MS system for the evaluation of complex hop oils, which allows effective modulation of even the most volatile components without the need for expensive liquid cryogen.

File size: 696 KB
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Detailed characterisation of essential oils by flow-modulated GC×GC and Tandem Ionisation mass spectrometry

In this study, flow-modulated GC×GC–TOF MS with Tandem Ionisation is used to characterise essential oils in fine detail, allowing the indepth comparison of their compositions that aids rigorous quality control, particularly in the fragrance industry.

File size: 642 KB
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