LECO Document Library
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Brochures
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Reference Cards
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Consumables
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Application Notes
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Characterization of Microplastic Pyrolytic Markers in Carotid Arterial Plaques using Pyrolysis-GCxGC-TOFMS
209-200-180Growing concern over microplastics in human tissue calls for analytical methods with high sensitivity and strong polymer specificity. Conventional pyrolysis GC–MS is widely used, but limited separation can obscure complex mixtures and make closely related polymers difficult to distinguish. Pyrolysis GCxGC-TOFMS provides substantially improved chromatographic resolution for trace, non-targeted characterization,...Access Characterization of Microplastic Pyrolytic Markers...The Utility of Pyrolysis–Gas Chromatography–Time-of-Flight Mass Spectrometry for the Characterization of Polystyrene
203-821-732Pyrolysis–gas chromatography–time-of-flight mass spectrometry (Py-GC-TOFMS) is a powerful technique for characterizing polymers that are difficult to analyze directly due to their high molecular weight or limited volatility. By thermally decomposing the polymer into smaller, volatile fragments, Py-GC-TOFMS generates reproducible chromatographic “fingerprints” that enable identification, quality control, and detection of additives...Access The Utility of Pyrolysis–Gas Chromatography–Time-of-Flight...Determination of Moisture and Ash in Pet Food
203-821-724Determining moisture and ash in pet food is fundamental for quality control, regulatory compliance, and nutritional evaluation. Pet food nutrient guarantees (protein, fat, fiber, etc.) are expressed on an as-fed basis and moisture content affects how these nutrients are calculated. High moisture content often reflects a lower nutrient concentration. To...Access Determination of Moisture and Ash...Battery Solvent Characterization: Identifying Impurities in Dimethyl Carbonate
203-821-731Determination of impurities in DMC is crucial to prove suitability for use and prevent side-reactions in high-performance material production, especially when used as battery electrolyte solvent. The extraordinary sensitivity of the Pegasus BTX allows for detection of below-ppb-level contaminants. Coupled with complementary data from the high-resolution Pegasus HRT , confident...Access Battery Solvent Characterization...
Videos and Webinars
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Environmental Non-Targeted Screening: What is in our Air? High-Resolution and Comprehensive Mass Spectrometry Analysis of Ambient Particulate Matter
Joining us from Imperial College London, Dr. Joseph Levermore present his research on 'What is in Our Air? High-Resolution and Comprehensive Mass Spectrometry Analysis of Ambient Particulate Matter in Occupational Environments Across the United Kingdom.' Dr. Levermore explores the composition of ambient particulate matter and its implications for occupational health,...Access Environmental Non-Targeted Screening...Non-Targeted Screening in Food: Boosting Food Analysis using GCxGC TOF-MS
Joining us from the University of Messina, Mariosimone Zoccali, Assistant Professor of Analytical Chemistry, present on 'Boosting Food Analysis Using GCxGC-ToFMS. In his talk, Prof. Zoccali explores the pioneering applications of Comprehensive Two-Dimensional Gas Chromatography coupled with Time-of-Flight Mass Spectrometry in the analysis of extra virgin olive oil (EVOO), measured...Access Non-Targeted Screening in Food...Moisture Determination in Milk and Milk Products
Moisture Content is a key parameter for all food and feed laboratories. It is needed for dry base calculations as well as for the general water content determination. In milk and milk products, the amount of total solids TS is an important parameter. Additionally, dairy products such as cheese require...Access Moisture Determination in Milk and...Non-Targeted Screening in Sustainable Fuels: Exploring Method Development and Fuel Quality Assessment Using GCxGC-MS and Hyphenated Techniques
Joining us from University of Southampton, Prof. John Langley, Head of Characterisation and Analytics, Chemistry, present on the latest advancements in renewable and sustainable fuel analysis. Prof. Langley explores how these next-generation fuels introduce new hurdles for quality measurement, requiring innovative hyphenated techniques, including GC-MS and comprehensive two-dimensional gas chromatography...Access Non-Targeted Screening in Sustainable Fuels...Non-targeted screening in forensics, a discussion of method development and screening of forensic samples using GCXGC-TOFMS
Joining us from William and Mary, Dr. Katelynn A. Perrault Uptmor, PI of the Nontargeted Separations Laboratory , present her work of screening samples using comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometry (GCXGC-TOFMS) in forensic applications as novel types of evidence appear. Dr. Perrault Uptmor highlights initial approaches to...Access Non-targeted screening in forensics...
Posters and Presentations
Access scientific presentations and posters from LECO experts, covering diverse applications and cutting-edge analytical advancements.
Using Hydrogen as Carrier Gas for GC/MS Analysis: GCxGC-HR-TOFMS with Multi-Mode Ion Source
Evaluate the performance of GCxGC-HR-TOFMS equipped with a Multi-Mode Ion Source (MMS) using hydrogen as an alternative carrier gas. Results demonstrate successful operation across EI, PCI, and NCI modes, maintaining a resolving power of 25,000 and sub-1 ppm mass accuracy, providing a robust solution to rising helium costs.Access Using Hydrogen as Carrier Gas for GC/MS Analysis...Non-Target Analysis of Waste Plastic Pyrolysis Oils (WPPO) by GCxGC-HRTOFMS
This poster focuses on analysis of different WPPO samples using an unparalleled non-target discovery tool: the Pegasus HRT+4D which offers comprehensive two-dimensional gas-chromatography coupled to high-resolution time-of-flight mass spectrometry (GCxGC-HRTOFMS) capable of multi-mode ionization with electron ionization (EI), positive chemical ionization (PCI), and electron capture negative chemical ionization (ECNI).Access Non-Target Analysis of Waste Plastic...Software Tool for Standardization of GCxGC Group-Type Templates
This poster shows the utility of the ChromaTOF software package for not only the bulk group-type analysis of alternative aviation fuels, but also the power of detailed hydrocarbon analysis made possible when GCxGC is coupled to time-of-flight mass spectrometry (TOFMS).Access Software Tool for Standardization of...