Pegasus BT 4D
GCxGC Time-of-Flight Mass Spectrometer

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Amazing price to performance ratio.
Analysis of lubricants
The Leco Pegasus BT is a very sensitive, mid-resolution mass spectrometer with GCxGC separation. It is a very useful tool for the laboratory when dealing with non-targeted analysis of difficult samples.
Review Date: 3 Mar 2020 | LECO Corp.
Great product for GCxGC and trace analysis.
Chemsitry, gas chromatography
This instrument is a good purchase for someone who does GCxGC and wants to see very trace levels.
Review Date: 26 Mar 2019 | LECO Corp.
Great system for analytical work.
Comprehensive gas chromatography
This system is capable of ultra trace analysis. The software has a great user interface. Works well for a variety of applications.
Review Date: 26 Mar 2019 | LECO Corp.
The Pegasus BT 4D offers enhanced sensitivity by coupling our benchtop Pegasus BT with our high performance GCxGC thermal modulation system. This combination gives the Pegasus BT 4D the ability to interrogate challenging samples where the best sensitivity is needed. Unique and powerful software and hardware features simplify quantitation, while also dramatically making GCxGC easy to use and understand.
Determining terpene profiles of cannabis strains using GC and GCxGC with high-performance TOFMS
In this application note, LECO demonstrates how the Pegasus BT 4D facilitates fast and confident cannabis product "fingerprinting" through enhanced two-dimensional chromatographic resolution and high-performance TOFMS.
How to Troubleshoot Your GC/MS Setup and Optimize Your Separations
In this video, Diane Turner, director and senior consultant for Anthias Consulting Ltd., discusses her role in providing training and consultancy in gas chromatography (GC) and GC/MS. Turner outlines the set-up in her lab, including predominantly Agilent GC systems, along with a variety of mass spectrometers, including Thermo Fisher Scientific's Triple Quadrupole TSQ, LECO's Pegasus 4D, Markes BenchTOF, as well mass spectrometers that were developed in the lab. Turner goes on to explain how comprehensive two-dimensional gas chromatography (GCxGC) can vastly improve sensitivity up to 400 times, easily analyzing complex samples and analytes with much lower detection limits.
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