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Modulatore a flusso INSIGHT®


Tecnologia:GCxGC

SepSolve Analytical

Modulatore a flusso robusto per analisi GC multidimensionali

Descrizione
Il design innovativo garantisce la gamma di volatilità più ampia possibile (da C1 a C60) e la flessibilità necessaria per eseguire operazioni di “heart-cutting”, splittaggio per rilevazione in parallelo, backflush e compressione dei picchi dei componenti critici.
L’efficiente “riempimento” e “risciacquo” del loop di campionamento fornisce una maggiore capacità e una migliore simmetria del picco inoltre consentono bassi costi di gestione e nessuna delle problematiche logistiche associate all’impiego di un liquido criogenico.
Il design compatto può essere facilmente montato all’interno del forno di qualsiasi GC
Per lavorare insieme al modulatore di flusso INSIGHT, SepSolve offre anche il software ChromSpace® completo per GC × GC.
La tecnologia Reverse fill/flush dynamics technology è stata sviluppata per la prima volta da Dow Chemical nel 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
Note Applicative
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.

Dimensione del file: 4 MB
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.

Dimensione del file: 4 MB
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.

Dimensione del file: 3 MB
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.

Dimensione del file: 674 KB
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.

Dimensione del file: 982 KB
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.

Dimensione del file: 1.014 KB
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. 

Dimensione del file: 816 KB
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.

Dimensione del file: 582 KB
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.

Dimensione del file: 2 MB
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.

Dimensione del file: 696 KB
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.

Dimensione del file: 642 KB

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