Video semináře

Zobrazení  20  105 video semináře
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ChromaTOF Retention Index

LECO Applications Chemist, Liz Humston-Fulmer, discusses the Retention Index functionality of ChromaTOF GC-MS data analysis software. This webinar was part of the LECO 2020 GCxGC Symposium.

ChromaTOF Spectral Analysis Tools

Dave Alonso, LECO Applications Chemist, introduces webinar attendees to the Spectral Analysis Tools within the ChromaTOF software. Originally presented as a segment of the LECO 2020 GCxGC Symposium. Create Mass Defect, Ring Double-Bond Equivilent, and Van Krevelen data plots.

ChromaTOF Quantitation Method Setup

In this webinar from the 2020 GCxGC Symposium, Todd Richards (LECO Separation Science Service Manager) demonstrates quantitiation method set-up in ChromaTOF software.

ChromaTOF: Peak Filtering

Christina Kelly, LECO Applications Chemist, demonstrates Peak Filtering within the ChromaTOF software. This webinar was originally presented to LECO 2020 GCxGC Symposium participants.

Moisture and Loss-on-Drying in Cannabis

Jeff Gast [LECO] discusses an approach for determining proper temperature and analytical gas composition to provide the most accurate moisture value in cannabis, utilizing the RC612 and TGM800.

Developing Methodology for Moisture Determination in Cannabis

Jeff Gast [LECO] presents an approach for determining proper temperature and analytical gas composition to provide the most accurate moisture value in cannabis, utilizing the RC612 and TGM800.

Characterization of Beverage Products Containing Cannabidiol (CBD) by GCxGC TOF-MS

Liz Humston-Fulmer [LECO] utilized GCxGC TOF-MS technologies to understand the chemical composition of CBD-infused beverages.

Selectivity: When, Where, And How To Use It!

Dr. Diane Turner (Senior Consultant & Director, Anthias Consulting Ltd.) covers techniques for sample analysis, selectivity in choosing the right technical setup (column choice, inlet parameters etc.), and also data analysis optimisation.

Simply GCxGC

Lorne Fell [LECO] briefly discusses comprehensive two-dimensional gas chromatography, and demonstrates how to establish GCxGC methods utilizing the Simply GCxGC software.

Breath Volatile Compounds in Asthma Patients

Jean-Francois Focant from the University of Liege (Belgium) discusses utilizing two-dimensional gas chromatography to study volatile compounds in breath samples of asthma patients.

Flow Modulation: A Simple Approach to Resolving Complex Mixtures

John Seeley [Oakland University] discusses various modulation technique for sample introduction into GCxGC columns.

Tracking Shelf Life Stability of Beer

Liz Humston-Fulmer [LECO] discusses how GC-MS can isolate analyte differences among aging beer samples.

Replacing LECO Pegasus HT with Pegasus BT GC-TOFMS

Jan Hazebroek, PhD., from Corteva Agriscience, discusses the impacts and benefits that the Pegasus BT had in their laboratory's high-throughput metabolomics research.

Analyzing Light Crude Oil and High Boilers with GCxGC

Thomas Groger [University of Rostock] discusses the benefits that GCxGC provided their laboratory with the study of crude oils, bitumen, and various high boilers (solvents added to slow evaporation rates).

Single Substrate Analysis with GCxGC TOF-MS

"Better, Greener, Faster" Webinar presented by Bob Nelson and Chris Reddy, from the Woods Hole Oceanic Institution, September 2017.

GCxGC Made Simple, with Simply GCxGC

Mark Merrick [LECO] overviews comprehensive two-dimensional gas chromatography, and introduces Simply GCxGC, a comprehensive 2D gas chromatography method optimization online tool.

Tracking Chemical Changes in Aging Beer

Liz Humston-Fulmer [LECO] discusses how the Pegasus BT (with L-PAL3 Autosampler) identifies analyte changes due to aging of commercially available IPA beer.

Exceeding Standard Environmental Method Requirements with GC-TOFMS

Jonathan Byer [LECO] discusses targeted and non-targeted analysis processes, comparing findings against Environmental Protection Agency standardized methods.

Battling Fuel Fraud to Achieve ASTM D5769

Christina Kelly [LECO] explores how gas chromatography techniques can be utilized to identify fuel fraud - tax evasive behaviors utilizing gasoline-based fuels - and how LECO instruments perform against ASTM D5769 (standard test method for determination of benzene, toluene, and total aromatics in finished gasolines).

Webinar: Chemical Composition on Hydraulic Fracturing Wastewater